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What are integers, rational numbers, natural numbers, real numbers, and irrational numbers?
Integers are whole numbers, including both positive and negative numbers, as well as zero. Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Natural numbers are the counting numbers, starting from 1 and going up to infinity. Real numbers include all rational and irrational numbers, and they can be represented on the number line. Irrational numbers are numbers that cannot be expressed as a fraction and have non-repeating, non-terminating decimal representations. **
Are negative numbers real numbers?
Yes, negative numbers are real numbers. Real numbers include all rational and irrational numbers, which encompass positive, negative, and zero values. Negative numbers are simply numbers that are less than zero on the number line and are an essential part of the real number system. **
Similar search terms for Numbers
Products related to Numbers:
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Sealey STW306B 1/2" Drive Digital Angle Torque Wrench Digital 1/2" 20Nm - 200Nm
The Sealey STW306B is a professional 1/2" drive digital torque wrench designed for precision fastening in workshop and factory environments. This advanced torque wrench combines digital accuracy with innovative angle measurement capabilities, making it ideal for modern vehicles and machinery that require torque-to-angle tightening specifications. Built for demanding professional use, this digital torque wrench features a clear LCD read-out complemented by LED, vibration and audible alarms that alert the user when target torque levels are achieved. The integrated angle mode eliminates the need for separate angle gauges and protractors, providing a fast and accurate method for torque plus angle tightening sequences. The angle accumulation function proves particularly valuable in confined spaces where multiple turns are required but visibility is limited. The wrench offers exceptional versatility with selectable track or peak modes and up to five user preset memories for frequently used torque values. Read-outs are available in multiple units including Nm, lb.in, lb.ft, kgf.m or degrees, making it suitable for diverse applications. The reversible Chrome Vanadium 72-tooth ratchet mechanism allows accurate torque reading in both directions, whilst the machined and lacquered head with polished black chrome finish ensures durability in professional environments. Accurate to ±2% of the wrench's stated capacity, this precision tool is supplied with a test certificate for quality assurance. The 20-200Nm torque range makes it suitable for automotive work, machinery assembly, and industrial maintenance applications where precise fastening is critical. Features and Benefits: • Digital angle mode eliminates need for separate measuring tools • Triple alarm system (LED, vibration, audible) for precise torque control • Five preset memories for quick access to frequently used settings • Multiple unit displays suit different standards and applications • 72-tooth ratchet provides fine 5-degree increments for restricted access • Test certificate and lifetime guarantee for professional confidence Specifications: Angle Range: 360° Battery: 4 x AAA (supplied) Brand: Premier Black Drive: 1/2"Sq Length: 610mm Nett Weight: 2.50kg Range: 20-200Nm(14.7-147.5lb.ft, 176.5-1770lb.in, 2-20.4kgf.m)
Price: 159.95 € | Shipping*: 38.85 € -
digital aurum Clean My Mac Classic
digital aurum Clean my Mac Classic Product description Clean up your Mac Every Mac contains countless files that you'll probably never use. For example, old cache files and logs or remnants of deleted applications. Clean up your Mac of this data junk and free up several gigabytes of disk space with just one click. It couldn't be easier! Speed up your Mac Unnecessary files on your Mac don't just take up space, they use up your Mac's resources and slow it down. With CleanMyMac's cleanup, you can increase the speed of your Mac and reduce startup time. Uninstall Mac Apps Besides the cleanup functions CleanMyMac also offers the appropriate tools for uninstalling programs and extensions. If you want to completely delete a program, simply drag the program file into the CleanMyMac window and click Uninstall. The application supports the operating systems Mac OS X 10.4 to 10.8. System requirements: For the platform/system : MAC Mac OS X 10.4 to 10.8, 1GHz processor, 1GB RAM memory, 100MB free hard drive space
Price: 20.89 £ | Shipping*: 0.00 £ -
digital aurum Clean My Mac 3
digital aurum CleanMyMac 3 Product description Clean, optimize and maintain your Mac with CleanMyMac 3, which shows you what you can clean. You decide when to clean. It scans everything on your Mac, including system files, iTunes, Mail, iPhoto, trash, and even long-forgotten folders that hide from you, removes gigabytes of junk in two clicks, and monitors your Mac hardware. And it knows exactly what to delete with confidence. It almost seems as if CleanMyMac 3 has a consciousness of its own. Macs are easy to use. They should be just as easy to maintain. The Smart Scan of CleanMyMac 3 gets by with just one button to scan and remove the found data garbage. It only selects files that can be deleted 100% safely without affecting your system. CleanMyMac 3 is not only an automatic cleanup program - it is also incredibly intelligent. The tools at a glance: Smart Scan: Tidies up your system, iTunes, Mail, iPhoto and photos, and your wastebaskets. System Remnants: Removes cache and log files, languages and more to improve your system performance. iPhoto : Shrinks your iPhoto and photo libraries by removing unnecessary copies of your already edited images. Mail Attachments: Scans Mail for locally saved downloads and attachments, and cleans them up with one click. iTunes: Cleans up old device backups, canceled downloads, old iOS updates and locally backed up copies of iOS apps. Recycle Bin: Empties all recycle bins on your Mac, including those on external hard drives, iPhoto, Mail and other applications. Large & old files: Finds long-unused files on your Mac, sorts them by size and opening date, and lets you decide which files you no longer need. Uninstall: Completely removes applications and associated files outside the Applications folder. Maintenance : Repairs access rights, checks your launch volume, rebuilds the Launch Services database and Spotlight index, and more. Privacy: Cleans up your chat, browser, and download histories, and helps protect your activities from prying eyes. Extensions: Manage all extensions, widgets and plug-ins on your Mac. Shredder: Safely deletes files so they can't be recovered. Dashboard : Monitors RAM usage, battery charge cycles, and the general health of your Mac. Alert messages: If your hardware or a process has a problem, these alerts help you troubleshoot. CleanMyMac menu: Allows you to perform many CleanMyMac 3 tasks without opening the program. Internet connection required. The program only supports the operating systems from MacOS Mavericks 10.9. up to and including MacOS Mojave 10.14. System requirements: For the platform/system: MAC MINIMUM SYSTEM REQUIREMENTS | Operating System: macOS 10.9 (Mavericks) to 10.14 (Mojave) Processor: 2 GHz Working memory: 1 GB RAM Hard disk space: 50 MB available memory Internet connection
Price: 27.86 £ | Shipping*: 0.00 £ -
Western Digital Blue Desktop SATA 500GB
Western Digital completes its award-winning desktop and mobile storage lineup with WD Blue PC hard drives They've been extensively tested and engineered with WD's high standards in mind. Rely on WD Blue. Boost PC performance Combine a higher capacity drive with an SSD to boost your desktop's performance and storage capacity. The SSD maximizes data access speed, while the WD Blue drive stores up to 6TB of movies, games, files, applications, and more. Upgrade and backup with ease WD hard drives come with free access to WD Acronis True Image. Backup and restore features make it easy to store and retrieve your personal data without having to reinstall your operating system. A unique classic WD Blue drives are designed and manufactured with the technology found in WD's original, award-winning desktop and mobile hard drives. WD Blue sets the standard for storage in daily use by consistently delivering improved performance over previous generations. At the same time, WD has maintained quality and performance for more than six generations. The difference is that our colors never fade from generation to generation. NoTouch ramp loading technology Places the recording head safely outside the hard drive surface to protect your data. IntelliSeek Calculates the optimal seek speed to reduce power consumption, noise, and vibration. Data LifeGuard Advanced Advanced algorithms continuously monitor your drive to keep it in optimal condition. Reliable Drive We test on hundreds of systems, configurations, and a variety of platforms in our FIT LabTM so our customers can be confident that our drives are suitable for their systems. That way, you get the highest level of compatibility. With WD Blue, you can use our drive with confidence, knowing that our storage enhancements, such as NoTouchTM Ramp Load technology, are proven and reliable solutions for everyday use. Technical Data Interface: SATA 6 Gb/s Formatted Capacity: 500,107 MB Advanced Format (AF): Yes Frame size: 3.5 inch RoHS compliant: Yes Performance Data transfer rate (max.): Buffer operations to host: 6 Gb/s / Host operations to/from drive (continuous): 150 MB/s Cache (MB): 32 Speed (rpm): Class 7200 rpm Reliability/Data Integrity Load/unload cycles: 300,000 Uncorrectable read errors per bits read: <1 in 10 Power Supply 12 V DC +/-10 % (A, peak): 2 Average power consumption (W): read/write 6.8 / idle 6.1 / standby/hibernate 1.2 Environmental Conditions Temperature (°C): Operating 0 to 60 / Standby/Hibernation -40 to 70 Shock (G): Operating (2 ms, write) 30 / Operating (2 ms, read) 65 / Idle (2 ms) 350 Noise level (dBA): Idle 29 / Search (average) 30 Physical Dimensions Height (inches/mm, max.): 1.028/26.1 Length (inches/mm, max.): 5.787/147 Width (inches/mm, +/- .01 inches): 4/101.6 Weight (kg/lb, +/- 10%): 0.99/0.45
Price: 29.21 £ | Shipping*: 4.31 £
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Are negative numbers irrational numbers?
No, negative numbers are not irrational numbers. Irrational numbers are numbers that cannot be expressed as a fraction of two integers, and they have non-repeating, non-terminating decimal representations. Negative numbers, on the other hand, can be expressed as a fraction of two integers and have terminating decimal representations. Therefore, negative numbers are not considered irrational numbers. **
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Are whole numbers also decimal numbers?
No, whole numbers are not considered decimal numbers. Whole numbers are integers that do not have any fractional or decimal parts, while decimal numbers include a decimal point and can have fractional parts. For example, the whole number 5 is not a decimal number, but the decimal number 5.0 includes a decimal point and is considered a decimal number. **
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What are complex numbers and how are they used in technology?
Complex numbers are numbers that consist of a real part and an imaginary part, usually written in the form a + bi, where 'a' is the real part and 'bi' is the imaginary part. In technology, complex numbers are used in various applications such as signal processing, control systems, and electrical engineering. They are particularly useful in analyzing and solving problems involving alternating current (AC) circuits, digital signal processing, and in designing filters and control systems. The ability of complex numbers to represent both magnitude and phase information makes them a powerful tool in modeling and analyzing systems with both real and imaginary components. **
-
What are real numbers and imaginary numbers?
Real numbers are numbers that can be found on the number line, including integers, fractions, and irrational numbers like pi and the square root of 2. Imaginary numbers, on the other hand, are numbers that involve the square root of -1, denoted as 'i'. When a real number is multiplied by 'i', it becomes an imaginary number. Together, real and imaginary numbers make up the set of complex numbers. **
Why are round numbers called round numbers?
Round numbers are called "round" because they are easy to work with and understand. They are multiples of 10, which makes them easy to divide, multiply, and round off. Their simplicity and ease of use make them "round" in the sense that they are smooth and convenient for calculations and estimations. This term has been used for centuries to describe numbers that are easily manageable and divisible. **
Are negative numbers divisible by prime numbers?
Yes, negative numbers can be divisible by prime numbers. For example, -5 is divisible by the prime number 5, as -5 divided by 5 equals -1. In general, the divisibility rules for negative numbers are the same as for positive numbers, so prime numbers can divide negative numbers just as they can divide positive numbers. **
Products related to Numbers:
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SoftOrbits Digital Photo Suite
Streamline your photo workflow with a comprehensive suite! Unlike the bulky monster apps you've seen from other vendors, SoftOrbits Digital Photo Suite doesn't try to pack everything into a single tool. Instead, our suite contains a number of individual tools that each do just one simple task - and a great one at that. Resize, convert, protect, enhance, and publish your photos without wasting your life learning yet another monster tool. Fix up your photos with a simple photo editor, clean up scanned images and touch up old photos with Photo Retoucher. We have an image resizing tool that lets you resize your entire photo collection to a specific size or a common resolution. Do you have a portrait? We have a skin enhancement tool that lets you apply virtual makeup and remove small skin imperfections with just a few clicks. The obligatory red eye removal tool fixes the infamous red eye effect with just a few clicks. SoftOrbit's Digital Photo Suite has tools for removing bumpy backgrounds and adding and removing stamps and digital watermarks. A sketching tool turns photos into amazing pencil sketches. We've even included a tool to recover images that have been deleted from your hard drive or memory card! SoftOrbits Digital Photo Suite is packed with features. It is our most cost-effective offering, providing a wide range of photo tools at a greatly reduced price. Don't miss your chance and save with SoftOrbits Digital Photo Suite! Use the reference table below to learn more about each SoftOrbits Digital Photo Suite product. System Requirements: Operating System : Windows XP/Vista/7/8/10/11 Latest Version: 10.0
Price: 65.76 £ | Shipping*: 0.00 £ -
Yamaha P-45B Full Note 88 Keys Digital Piano Portable Home Digital
The Yamaha P-45 is the most affordable model in the P-series, offering a compact, portable design for home or travel. It's an 88-key Graded Hammer Standard keyboard with matte black keys ensuring superb playability. With 10 stereo voices, 64-note polyphony, reverb and chorus effects, Dual and Duo modes for tuition, plus tuning and transpose functions, it's versatile for practice or performance. A USB-to-host port connects easily to computers and iOS devices. 88 full, fully weighted, touch sensitive keys. Graded hammer standard keyboard. 64 note polyphony. 10 sounds. 10 AWM sounds 10 AWM voices and grand piano feature. 1 pedal. Sustain pedal. Built-in metronome. Includes music rest. 1 headphone jack. USB connection. Mains adaptor included. Instruction manual included. Size H15.4, W132.6, D29.5cm. Weight 11.5kg.
Price: 184.99 € | Shipping*: 0.00 € -
Sealey STW306B 1/2" Drive Digital Angle Torque Wrench Digital 1/2" 20Nm - 200Nm
The Sealey STW306B is a professional 1/2" drive digital torque wrench designed for precision fastening in workshop and factory environments. This advanced torque wrench combines digital accuracy with innovative angle measurement capabilities, making it ideal for modern vehicles and machinery that require torque-to-angle tightening specifications. Built for demanding professional use, this digital torque wrench features a clear LCD read-out complemented by LED, vibration and audible alarms that alert the user when target torque levels are achieved. The integrated angle mode eliminates the need for separate angle gauges and protractors, providing a fast and accurate method for torque plus angle tightening sequences. The angle accumulation function proves particularly valuable in confined spaces where multiple turns are required but visibility is limited. The wrench offers exceptional versatility with selectable track or peak modes and up to five user preset memories for frequently used torque values. Read-outs are available in multiple units including Nm, lb.in, lb.ft, kgf.m or degrees, making it suitable for diverse applications. The reversible Chrome Vanadium 72-tooth ratchet mechanism allows accurate torque reading in both directions, whilst the machined and lacquered head with polished black chrome finish ensures durability in professional environments. Accurate to ±2% of the wrench's stated capacity, this precision tool is supplied with a test certificate for quality assurance. The 20-200Nm torque range makes it suitable for automotive work, machinery assembly, and industrial maintenance applications where precise fastening is critical. Features and Benefits: • Digital angle mode eliminates need for separate measuring tools • Triple alarm system (LED, vibration, audible) for precise torque control • Five preset memories for quick access to frequently used settings • Multiple unit displays suit different standards and applications • 72-tooth ratchet provides fine 5-degree increments for restricted access • Test certificate and lifetime guarantee for professional confidence Specifications: Angle Range: 360° Battery: 4 x AAA (supplied) Brand: Premier Black Drive: 1/2"Sq Length: 610mm Nett Weight: 2.50kg Range: 20-200Nm(14.7-147.5lb.ft, 176.5-1770lb.in, 2-20.4kgf.m)
Price: 159.95 € | Shipping*: 38.85 € -
digital aurum Clean My Mac Classic
digital aurum Clean my Mac Classic Product description Clean up your Mac Every Mac contains countless files that you'll probably never use. For example, old cache files and logs or remnants of deleted applications. Clean up your Mac of this data junk and free up several gigabytes of disk space with just one click. It couldn't be easier! Speed up your Mac Unnecessary files on your Mac don't just take up space, they use up your Mac's resources and slow it down. With CleanMyMac's cleanup, you can increase the speed of your Mac and reduce startup time. Uninstall Mac Apps Besides the cleanup functions CleanMyMac also offers the appropriate tools for uninstalling programs and extensions. If you want to completely delete a program, simply drag the program file into the CleanMyMac window and click Uninstall. The application supports the operating systems Mac OS X 10.4 to 10.8. System requirements: For the platform/system : MAC Mac OS X 10.4 to 10.8, 1GHz processor, 1GB RAM memory, 100MB free hard drive space
Price: 20.89 £ | Shipping*: 0.00 £
-
What are integers, rational numbers, natural numbers, real numbers, and irrational numbers?
Integers are whole numbers, including both positive and negative numbers, as well as zero. Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Natural numbers are the counting numbers, starting from 1 and going up to infinity. Real numbers include all rational and irrational numbers, and they can be represented on the number line. Irrational numbers are numbers that cannot be expressed as a fraction and have non-repeating, non-terminating decimal representations. **
-
Are negative numbers real numbers?
Yes, negative numbers are real numbers. Real numbers include all rational and irrational numbers, which encompass positive, negative, and zero values. Negative numbers are simply numbers that are less than zero on the number line and are an essential part of the real number system. **
-
Are negative numbers irrational numbers?
No, negative numbers are not irrational numbers. Irrational numbers are numbers that cannot be expressed as a fraction of two integers, and they have non-repeating, non-terminating decimal representations. Negative numbers, on the other hand, can be expressed as a fraction of two integers and have terminating decimal representations. Therefore, negative numbers are not considered irrational numbers. **
-
Are whole numbers also decimal numbers?
No, whole numbers are not considered decimal numbers. Whole numbers are integers that do not have any fractional or decimal parts, while decimal numbers include a decimal point and can have fractional parts. For example, the whole number 5 is not a decimal number, but the decimal number 5.0 includes a decimal point and is considered a decimal number. **
Similar search terms for Numbers
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digital aurum Clean My Mac 3
digital aurum CleanMyMac 3 Product description Clean, optimize and maintain your Mac with CleanMyMac 3, which shows you what you can clean. You decide when to clean. It scans everything on your Mac, including system files, iTunes, Mail, iPhoto, trash, and even long-forgotten folders that hide from you, removes gigabytes of junk in two clicks, and monitors your Mac hardware. And it knows exactly what to delete with confidence. It almost seems as if CleanMyMac 3 has a consciousness of its own. Macs are easy to use. They should be just as easy to maintain. The Smart Scan of CleanMyMac 3 gets by with just one button to scan and remove the found data garbage. It only selects files that can be deleted 100% safely without affecting your system. CleanMyMac 3 is not only an automatic cleanup program - it is also incredibly intelligent. The tools at a glance: Smart Scan: Tidies up your system, iTunes, Mail, iPhoto and photos, and your wastebaskets. System Remnants: Removes cache and log files, languages and more to improve your system performance. iPhoto : Shrinks your iPhoto and photo libraries by removing unnecessary copies of your already edited images. Mail Attachments: Scans Mail for locally saved downloads and attachments, and cleans them up with one click. iTunes: Cleans up old device backups, canceled downloads, old iOS updates and locally backed up copies of iOS apps. Recycle Bin: Empties all recycle bins on your Mac, including those on external hard drives, iPhoto, Mail and other applications. Large & old files: Finds long-unused files on your Mac, sorts them by size and opening date, and lets you decide which files you no longer need. Uninstall: Completely removes applications and associated files outside the Applications folder. Maintenance : Repairs access rights, checks your launch volume, rebuilds the Launch Services database and Spotlight index, and more. Privacy: Cleans up your chat, browser, and download histories, and helps protect your activities from prying eyes. Extensions: Manage all extensions, widgets and plug-ins on your Mac. Shredder: Safely deletes files so they can't be recovered. Dashboard : Monitors RAM usage, battery charge cycles, and the general health of your Mac. Alert messages: If your hardware or a process has a problem, these alerts help you troubleshoot. CleanMyMac menu: Allows you to perform many CleanMyMac 3 tasks without opening the program. Internet connection required. The program only supports the operating systems from MacOS Mavericks 10.9. up to and including MacOS Mojave 10.14. System requirements: For the platform/system: MAC MINIMUM SYSTEM REQUIREMENTS | Operating System: macOS 10.9 (Mavericks) to 10.14 (Mojave) Processor: 2 GHz Working memory: 1 GB RAM Hard disk space: 50 MB available memory Internet connection
Price: 27.86 £ | Shipping*: 0.00 £ -
Western Digital Blue Desktop SATA 500GB
Western Digital completes its award-winning desktop and mobile storage lineup with WD Blue PC hard drives They've been extensively tested and engineered with WD's high standards in mind. Rely on WD Blue. Boost PC performance Combine a higher capacity drive with an SSD to boost your desktop's performance and storage capacity. The SSD maximizes data access speed, while the WD Blue drive stores up to 6TB of movies, games, files, applications, and more. Upgrade and backup with ease WD hard drives come with free access to WD Acronis True Image. Backup and restore features make it easy to store and retrieve your personal data without having to reinstall your operating system. A unique classic WD Blue drives are designed and manufactured with the technology found in WD's original, award-winning desktop and mobile hard drives. WD Blue sets the standard for storage in daily use by consistently delivering improved performance over previous generations. At the same time, WD has maintained quality and performance for more than six generations. The difference is that our colors never fade from generation to generation. NoTouch ramp loading technology Places the recording head safely outside the hard drive surface to protect your data. IntelliSeek Calculates the optimal seek speed to reduce power consumption, noise, and vibration. Data LifeGuard Advanced Advanced algorithms continuously monitor your drive to keep it in optimal condition. Reliable Drive We test on hundreds of systems, configurations, and a variety of platforms in our FIT LabTM so our customers can be confident that our drives are suitable for their systems. That way, you get the highest level of compatibility. With WD Blue, you can use our drive with confidence, knowing that our storage enhancements, such as NoTouchTM Ramp Load technology, are proven and reliable solutions for everyday use. Technical Data Interface: SATA 6 Gb/s Formatted Capacity: 500,107 MB Advanced Format (AF): Yes Frame size: 3.5 inch RoHS compliant: Yes Performance Data transfer rate (max.): Buffer operations to host: 6 Gb/s / Host operations to/from drive (continuous): 150 MB/s Cache (MB): 32 Speed (rpm): Class 7200 rpm Reliability/Data Integrity Load/unload cycles: 300,000 Uncorrectable read errors per bits read: <1 in 10 Power Supply 12 V DC +/-10 % (A, peak): 2 Average power consumption (W): read/write 6.8 / idle 6.1 / standby/hibernate 1.2 Environmental Conditions Temperature (°C): Operating 0 to 60 / Standby/Hibernation -40 to 70 Shock (G): Operating (2 ms, write) 30 / Operating (2 ms, read) 65 / Idle (2 ms) 350 Noise level (dBA): Idle 29 / Search (average) 30 Physical Dimensions Height (inches/mm, max.): 1.028/26.1 Length (inches/mm, max.): 5.787/147 Width (inches/mm, +/- .01 inches): 4/101.6 Weight (kg/lb, +/- 10%): 0.99/0.45
Price: 29.21 £ | Shipping*: 4.31 £ -
Sealey Digital Torque Screwdriver 0Nm - 5Nm
The Sealey Digital Torque Screwdriver is a precision instrument designed for accurate torque control in automotive, workshop and factory applications. Featuring an advanced digital display with multiple notification systems, this torque screwdriver ensures consistent, reliable fastening results across a wide range of professional tasks. The LCD read-out is complemented by LED visual indicators, an audible alarm and vibration feedback to clearly signal when target torque levels are achieved. This triple notification system helps prevent over-tightening and ensures accurate torque application every time. The intuitive push-button menu allows operators to preset and track peak or desired torque levels with ease. Offering exceptional accuracy of ±1% of stated capacity, this digital torque screwdriver provides selectable read-out in both Nm and lb.ft to suit different applications and preferences. The tool operates in both clockwise and anticlockwise directions, whilst the textured, contoured handle delivers enhanced grip and comfort during extended use. Supplied complete with 2 x AAA batteries and a test certificate, it's backed by a lifetime guarantee for added peace of mind. Features and Benefits: • Triple notification system (LED, audible alarm, vibration) for clear torque achievement indication • High precision ±1% accuracy for critical fastening applications • Bidirectional operation for versatile use • Selectable torque units (Nm or lb.ft) for convenience • Ergonomic textured handle for comfortable extended use • Simple push-button menu for easy torque presetting • Supplied with test certificate and lifetime guarantee Specifications: Battery: 2 x AAA (supplied) Brand: Premier Drive: 1/4"Hex Length: 155mm Nett Weight: 0.14kg Range: 0.05-5Nm
Price: 54.95 € | Shipping*: 5.95 € -
Digital Safe 35x40x40cm 4mm Steel Door
Designed to protect cash and valuables, this safe has a 4 mm thick steel door and is suitable for home and office. 2 locking bolts made of steel provide for tight closure of the system. The digital lock allows you to set your own code and is supplied with 2 additional keys for emergency opening. It is prepared for floor or wall fixing. 35 x 40 x 40 cm / double steel-bolt lock / 3-8-digit Code / 4 mm steel door Product advantages : - 4 mm door thickness - Suitable for documents and valuables - Set your own 3-8 digit code - LED battery status and code confirmation - Digital keypad - Keys for manual emergency opening - Pre-drilled holes for wall or floor fixing Technical data : - Dimensions (W/H/D) : 350 mm x 400 mm x 400 mm (Outside) - Door strenght 4 mm - Colour : Grey Scope of delivery : - 1 x Safe - 4 x AA Batteries - 2 x bolts - 1 x lining - 2 x keys - Instructions in german - assembly material
Price: 69.95 £ | Shipping*: 0.00 £
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What are complex numbers and how are they used in technology?
Complex numbers are numbers that consist of a real part and an imaginary part, usually written in the form a + bi, where 'a' is the real part and 'bi' is the imaginary part. In technology, complex numbers are used in various applications such as signal processing, control systems, and electrical engineering. They are particularly useful in analyzing and solving problems involving alternating current (AC) circuits, digital signal processing, and in designing filters and control systems. The ability of complex numbers to represent both magnitude and phase information makes them a powerful tool in modeling and analyzing systems with both real and imaginary components. **
-
What are real numbers and imaginary numbers?
Real numbers are numbers that can be found on the number line, including integers, fractions, and irrational numbers like pi and the square root of 2. Imaginary numbers, on the other hand, are numbers that involve the square root of -1, denoted as 'i'. When a real number is multiplied by 'i', it becomes an imaginary number. Together, real and imaginary numbers make up the set of complex numbers. **
-
Why are round numbers called round numbers?
Round numbers are called "round" because they are easy to work with and understand. They are multiples of 10, which makes them easy to divide, multiply, and round off. Their simplicity and ease of use make them "round" in the sense that they are smooth and convenient for calculations and estimations. This term has been used for centuries to describe numbers that are easily manageable and divisible. **
-
Are negative numbers divisible by prime numbers?
Yes, negative numbers can be divisible by prime numbers. For example, -5 is divisible by the prime number 5, as -5 divided by 5 equals -1. In general, the divisibility rules for negative numbers are the same as for positive numbers, so prime numbers can divide negative numbers just as they can divide positive numbers. **
* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases. ** Note: Parts of this content were created by AI.