Professional Calculators

Check up to 150 steps and make corrections without having to start over. A large 12-digit display offers easy viewing, while the decimal and rounding selectors let you customize the operation to meet a range of business needs. Independent memory and a grand total key let you solve more advanced problems without having to write numbers down. With a compact size, this Casio desk calculator fits neatly in a drawer when not in use..Desktop calculator offers 12-digit LCD display for convenient viewing.Easy-to-use solution for all of your basic math needs.Can be operated from solar power or battery, so you can use it both day and night.Mark-up function make financial calculations streamlined.Rounding switch, square root, check, and correct (150 steps), percent, sign change, backspace, double zero, grand total, and more functions to solve many additional mathematical problems.Auto power-off feature prevents unwanted or unintentional use of the battery.Key rollover feature makes sure nothing is lost during high-speed input.Made from plastic.Comes in Black color.Dimensions: 1.38"H x 5.51"W x 7.52"D.Check up to 150 steps and correct.Review and auto review.3-key GT memory.Double and triple-zero key.Key rollover so nothing is lost during high-speed input.2-way power: solar and LR44 battery backup.Auto shut off.Dimensions (HxWxL): 35x140x191mm.Safety Data Sheet.Casio Check and Correct Business Desktop Calculator

The Nadex Coins™ C-270 Scientific Calculator is the ultimate tool for students and professionals tackling a range of subjects from Pre-Algebra to AP Calculus, Biology, Chemistry, Finance, and beyond. With over 360 versatile functions, this calculator supports complex computations, statistical graphs, parametric and user-generated graphs, angular measurements, and more. It's equipped with a built-in function graph and offers multiple display modes, including normal, fixed decimals, and significant digits, allowing you to customize your calculations for precision. Designed with both advanced and beginner users in mind, the C-270 includes features for complex operations like trigonometry, regression, and standard deviation, making it ideal for any course or career that requires analytical power. Complete with a protective sliding cover, the C-270 combines functionality with style, ensuring you're prepared for any mathematical or scientific challenge..360+ Advanced Functions: Tackle everything from Pre-Algebra to AP Calculus, Chemistry, Biology, Finance, and more with over 360 built-in functions including trigonometry, regression, permutations, and standard deviation..Graph Function Visualizations: View formula-based graphs on a large black-and-white screen—ideal for visual learners and conceptual understanding (note: not a full graphing calculator)..Large Dual-Line Display: Easily view equations and visual outputs simultaneously for better clarity and reduced calculation errors..Multi-Mode Operation: Switch between Calculation Mode, Angular Measurement Mode, and Display Mode for customized computing..Exam-Ready Design: Perfect for standardized test prep including PSAT/NMSQT, SAT, ACT, and AP exams..User-Friendly for All Levels: Designed for both beginners and advanced users—ideal for high school, college, and professional environments..Precision Display Options: Choose from normal, fixed decimal, or significant digit display modes to match your calculation needs..Compact & Durable: Lightweight and portable with a sleek silver finish and protective sliding cover for on-the-go use..Battery Powered: Operates on a long-lasting LR44 battery (included) for reliable performance anytime, anywhere..Ergonomic Build: Slim profile with intuitive button layout for comfortable, efficient use during long study or work sessions..Ideal for STEM & Finance: Supports complex number calculations, fractions, variable solving, and statistical analysis—perfect for STEM majors and finance professionals..Dimensions & Weight: Measures 8.75" (L) x 3.7" (W) x 1.15" (H); weighs just 0.5 lbs—easy to carry in backpacks or briefcases..Safety Data Sheet.WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov..Master Math & Science with the Nadex Coins™ C-270 – The Ultimate 360-Function Scientific Calculator for Students & Professionals

The Nadex Coins™ C-270 Scientific Calculator is the ultimate tool for students and professionals tackling a range of subjects from Pre-Algebra to AP Calculus, Biology, Chemistry, Finance, and beyond. With over 360 versatile functions, this calculator supports complex computations, statistical graphs, parametric and user-generated graphs, angular measurements, and more. It's equipped with a built-in function graph and offers multiple display modes, including normal, fixed decimals, and significant digits, allowing you to customize your calculations for precision. Designed with both advanced and beginner users in mind, the C-270 includes features for complex operations like trigonometry, regression, and standard deviation, making it ideal for any course or career that requires analytical power. Complete with a protective sliding cover, the C-270 combines functionality with style, ensuring you're prepared for any mathematical or scientific challenge..360+ Advanced Functions: Tackle everything from Pre-Algebra to AP Calculus, Chemistry, Biology, Finance, and more with over 360 built-in functions including trigonometry, regression, permutations, and standard deviation..Graph Function Visualizations: View formula-based graphs on a large black-and-white screen—ideal for visual learners and conceptual understanding (note: not a full graphing calculator)..Large Dual-Line Display: Easily view equations and visual outputs simultaneously for better clarity and reduced calculation errors..Multi-Mode Operation: Switch between Calculation Mode, Angular Measurement Mode, and Display Mode for customized computing..Exam-Ready Design: Perfect for standardized test prep including PSAT/NMSQT, SAT, ACT, and AP exams..User-Friendly for All Levels: Designed for both beginners and advanced users—ideal for high school, college, and professional environments..Precision Display Options: Choose from normal, fixed decimal, or significant digit display modes to match your calculation needs..Compact & Durable: Lightweight and portable with a sleek silver finish and protective sliding cover for on-the-go use..Battery Powered: Operates on a long-lasting LR44 battery (included) for reliable performance anytime, anywhere..Ergonomic Build: Slim profile with intuitive button layout for comfortable, efficient use during long study or work sessions..Ideal for STEM & Finance: Supports complex number calculations, fractions, variable solving, and statistical analysis—perfect for STEM majors and finance professionals..Dimensions & Weight: Measures 8.75" (L) x 3.7" (W) x 1.15" (H); weighs just 0.5 lbs—easy to carry in backpacks or briefcases..Safety Data Sheet.WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov..Master Math & Science with the Nadex Coins™ C-270 – The Ultimate 360-Function Scientific Calculator for Students & Professionals

Simplify takeoffs from architectural drawings with this digital plan measure. The calculator comes with U.S. and metric system measurements for greater versatility, and the push-button counter keeps track of items while rolling. This Calculated Industries Scale Master Pro plan measure is easy to use, which helps save time when drawing up bids and estimates..Specifically designed digital plan measure finds linear measurements of any shape, as well as rectangular areas and volumes, and it converts between scales and dimensions.Comes with 72 built-in scales (39 U.S. and 33 metric for maximum versatility).Dimensions: 7.3"L x 1.9"W x 0.6"D.Display dimensions: upper: 0.62"W x 1.22"L, lower: 0.79" x 1.22".Six user-set custom scales, calibrates to any plan and then stores that scale for future use, perfect for scaling faxed or out-of-scale plans.Multiple dimensional units for versatility; select the measurement units you use: decimal feet, feet-inches, decimal inches, yards, millimeters, meters, kilometers - including square and cubic formats.Subtract and counter feature lets you subtract if you roll too far, also lets you count items (e.g., studs, outlets, etc.) and accumulate in memory.Easy-to-read dual display shows your measurements in feet/inches or metric units.Includes: hard cover protective case, complete user's guide, two long-life CR2032 lithium batteries.Perfect for contractors, estimators, engineers, landscapers, pipeline builders, excavators, HVAC contractors, pavers, electrical contractors - anyone needing fast, accurate takeoffs from plans and blueprints.1-year manufacturer limited warranty.Sketch engineered drawings to scale with this Calculated Industries Scale Master Pro digital plan measure.