Ideal for students studying general math, pre-algebra, algebra, geometry and trigonometry. Performs more than 130 scientific and math functions. Hard cover protects calculator from scratches. Auto power down feature. Permitted for use on AP Chemistry, AP Physics, PSAT/NMSQT, SAT I, SAT II, Math IC and Math IIC tests. Power Source(s): Battery; Display Notation: Numeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 1.

Eight-digit professional desktop calculator is perfect for business professionals at home or in the office. Functions include: automatic tax keys, percent key, square root key, 3-key independent memory, larger plus key, sign change, and automatic power down. Operates on twin power (solar/battery backup). Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 8; Display Characters x Display Lines: 8 x 1.

Ten-digit professional desktop calculator is perfect for business professionals at home or in the office. The EL-M335BBL is finished in a dark blue design and features a large angled LCD display and durable plastic keys. Functions include: currency conversion functions, automatic tax keys, percent key, backspace key, 3 key independent memory, extra-large plus key, sign change, and automatic power down. Operates on twin power (solar/battery backup). Blue. Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 1.

Advanced 4-line scientific calculator with WriteView display, allows calculations to be entered and displayed as written on paper. Ideal for students studying general math and science, pre-algebra, algebra I & II, geometry, precalculus, calculus, trigonometry, statistics, biology, chemistry, and physics. This calculator performs 640 advanced scientific, math, and statistics functions. Includes a protective hard case and operates on twin-power (solar with battery backup). Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 16; Display Characters x Display Lines: 16 x 4.

The EL-W535TGB-BL model is perfect for students studying general math and science, pre-algebra, algebra, geometry, trigonometry, statistics, biology, and chemistry. This calculator performs 422 advanced scientific, math, and statistics functions. The EL-W535TGB-BL utilizes a 4-line display featuring an exponent symbol. WriteView display allows users to view their input and results as they would appear in a textbook. Includes a protective hard case and operates on twin-power (solar with battery backup). Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 16; Display Characters x Display Lines: 16 x 4.

The ultimate in desktop comfort for sitting or standing desks, the ErgoEdge Deskpad combines a large keyboard and mousing surface with an ergonomic wrist rest that covers the desk edge. The cushioned fabric surface provides warmth, comfort, and mouse tracking accuracy and accommodates both a keyboard and mouse. The specially designed cushioned wrist rest fits over sharp desk edges, cushioning wrist, forearm, elbow, and torso while providing ergonomic wrist support. Wrist Filling Material: Foam; Mouse Pad/Wrist Rest Type: Wrist Rest Deskpad; Color(s): Black; Theme: Solid Color.

A science-driven ergonomic keyboard that promotes a more relaxed, natural typing experience designed for hours of comfortable use. A fluid and ultra-precise typing experience with no compromise in speed and accuracy. Your fingers glide effortlessly across the matte surface of the keys, and tactile details make it easy to orient your fingers and stay focused. The split layout and convex curve promote a more natural hand and finger placement. Wired/Wireless: Wireless; Maximum Wireless Range: 33 ft; Connector/Port/Interface: Bluetooth®; Logi Bolt; USB; Keyboard Design: Curved.

A science-driven ergonomic keyboard designed for relaxed, natural typing and hours of comfortable productivity. Type more naturally with ERGO K860, an advanced ergonomic keyboard that promotes a more relaxed typing posturereducing wrist bending by 25% and offering 54% more wrist support. The curved, split keyframe reduces muscle strain on your wrists and forearms. And the pillowed wrist rest offers comfort and the optimal ergonomic position. The adjustable palm lift feature keeps your wrists in a natural posture, whether you're seated or standing. You'll confidently type on Perfect Stroke keyscrafted for precision and fluidity. And an integrated numpad, multi-device capabilities and two-year battery life ensure that you won't compromise performance for ergonomics. Wired/Wireless: Wireless; Maximum Wireless Range: 32.8 ft; Connector/Port/Interface: Bluetooth®; Keyboard Design: 3-Way Adjustable Tilt; Split.

Minimize movement and maximize comfort with ERGO M575, a wireless trackball with a sculpted shape and smooth, responsive thumb control. It doesn't need to be moved, so it's perfect for tight desk spaces. Make any workspace your comfort zone. This compact setup has the tools you need for all-day comfort and better productivity-from a minimalist keyboard and trackball combo to the right webcam and wireless headset to feel great during calls. Connector/Port/Interface: Bluetooth; USB-C; Left/Right Hand Use: Right; Mouse Technology: Mechanical; Wired/Wireless: Wireless.

Patented Health-V™ Channel relieves wrist pressure to help prevent carpal tunnel syndrome. Self-adjusting pad helps place small or large hands in a neutral posture. Improved Microban® antimicrobial protection helps keep product cleaner. Wrist Filling Material: Memory Foam; Mouse Pad/Wrist Rest Type: Mouse Pad with Wrist Rest; Color(s): Black; Theme: Solid Color.

Patented Health-V™ Channel relieves wrist pressure to help prevent carpal tunnel syndrome. Self-adjusting pad helps place small or large hands in a neutral posture. Improved Microban® antimicrobial protection helps keep product cleaner. Wrist Filling Material: Memory Foam; Mouse Pad/Wrist Rest Type: Mouse Pad with Wrist Rest; Color(s): Black; Theme: Solid Color.

Vertical grip provides ergonomic benefit of keeping your hand and wrist at a neutral angle. This mouse also offers an optical sensor, USB/ PS2 plug and play compatibility and a 6.5 ft. cord for flexible use. Soft touch painted surface for added comfort. For right handed use only. Small. Connector/Port/Interface: PS/2; USB; Left/Right Hand Use: Right; Mouse Technology: Optical; Wired/Wireless: Wired.

Kensington's ErgoSoft Wrist Rest for Standard Keyboards features an ultra-soft exterior supported by gel cushioning that's scientifically developed to prevent injury while optimizing comfort. Combining softness with ergonomic science, the wrist rest is perfect for work and play. Innovation, quality, and trust have made Kensington The Professionals' Choice™ in ergonomics for more than 20 years. Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Keyboard Wrist Rest; Color(s): Gray; Theme: Solid Color.

Kensington's ErgoSoft Wrist Rest for Standard Keyboards features an ultra-soft exterior supported by gel cushioning that's scientifically developed to prevent injury while optimizing comfort. Combining softness with ergonomic science, the wrist rest is perfect for work and play. Innovation, quality, and trust have made Kensington The Professionals' Choice™ in ergonomics for more than 20 years. Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Keyboard Wrist Rest; Color(s): Black; Theme: Solid Color.

Kensington's ErgoSoft Wrist Rest for Standard Mouse features an ultra-soft exterior supported by gel cushioning that's scientifically developed to prevent injury while optimizing comfort. Combining premium softness with ergonomic science, the wrist rest is perfect for work and play. Innovation, quality, and trust have made Kensington The Professionals' Choice™ in ergonomics for more than 20 years. Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Mouse Wrist Rest; Color(s): Black; Theme: Solid Color.

This tablet/eReader case's Universal Fit technology adjusts to accommodate tablets or eReaders. The unique rear design offers enhanced leverage when viewing at multiple angles. Tensioned clips are designed to securely hold tablets and eReaders. Swivel mount back allows you to view portrait or landscape. Two viewing angles adjust to minimize glare. The magnetic strap ensures the case stays closed. For Use With: 8.5" to 11" Tablets; Accessory Type: Tablet Case; Color(s): Black.

Free up space on your internal hard drive with this external drive. Immediately recognized by Windows, with no software to install and nothing to configure. Drag-and-drop file saving makes it easy to use. Built-in power management system for efficient operations. Uses USB 3.0 for ultra-fast data transfer and works with USB 2.0 ports on older machines. Drive Type: Desktop Hard Drive; Maximum Native Data Capacity: 8 TB; Connector/Port/Interface: USB 3.0; Operating System Compatibility: Windows® 7 and Later.

Save movies, music, and files on this external hard drive, which is ready for use right out of the box. It's automatically recognized by your computer's operating system, so don't have to install drivers or software to save time. Transfer files fast via USB 3.0 technology and have them ready whenever you need them. Drive Type: Portable Hard Drive; Maximum Native Data Capacity: 12 TB; Connector/Port/Interface: USB 3.0; Color(s): Black.

Save movies, music, and files on this external hard drive, which is ready for use right out of the box. It's automatically recognized by your computer's operating system, so don't have to install drivers or software to save time. Transfer files fast via USB 3.0 technology and have them ready whenever you need them. Drive Type: Portable Hard Drive; Maximum Native Data Capacity: 14 TB; Connector/Port/Interface: USB 3.0; Color(s): Black.

Save movies, music, and files on this external hard drive, which is ready for use right out of the box. It's automatically recognized by your computer's operating system, so don't have to install drivers or software to save time. Transfer files fast via USB 3.0 technology and have them ready whenever you need them. Drive Type: Portable Hard Drive; Maximum Native Data Capacity: 16 TB; Connector/Port/Interface: USB 3.0; Color(s): Black.

Save movies, music, and files on this external hard drive, which is ready for use right out of the box. It's automatically recognized by your computer's operating system, so don't have to install drivers or software to save time. Transfer files fast via USB 3.0 technology and have them ready whenever you need them. Drive Type: Portable Hard Drive; Maximum Native Data Capacity: 4 TB; Connector/Port/Interface: USB 3.0; Color(s): Black.

The Expert Mouse® Wired Trackball is the productivity enhancer professionals use to get more work done in less time. It offers highly accurate cursor control and great comfort for your hand and wrist. TrackballWorks™ software can customize the four buttons, and the Scroll Ring lets you quickly scan up and down your screen. Connector/Port/Interface: USB 2.0; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wired.

The Expert Mouse Wireless Trackball gives you the freedom to be hyper-productive without being limited by a USB cable. The trackball can be paired through Bluetooth® 4.0 LE to save a valuable USB port, or connected via USB nano receiver. TrackballWorks™ software offers incredible customization, and optical tracking technology offers smooth, precise cursor control. Plus, Scroll Ring lets you quickly scan up and down web pages or long documents. Add it all up and you get exceptional comfort and ease-of-use from the brand that has set the industry standard in trackballs for more than 20 years. Connector/Port/Interface: Bluetooth® 4.0; USB 2.0; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wireless.

Ergonomically designed to maximize comfort while enduring long typing sessions. Designed for use on a keyboard and mouse at the same time. Lexan mousing surface can be used for extra space or to cover the edge of any desk. Soothing gel pad is covered by durable Lycra® making it easy to clean. Wrist supports are Viscoflex™ Memory Foam, treated with Aegis™ Microbe Shield Protection. Awarded the "Five Star Seal of Ergonomic Excellence" by Oxford Research Institute for design, quality and comfort. Wrist Filling Material: Memory Foam; Mouse Pad/Wrist Rest Type: Mouse Pad/Keyboard Wrist Rest Platform; Color(s): Black; Theme: Solid Color.