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  1. calculator.com®

    All clear button clears the calculator, tape, and resets any functions. Memory recall button retrieves the number you have in memory and places it in the display field. Memory plus button adds the number …

  2. Calculator | The Online Calculator

    Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. Includes basic handheld calculator functions for square, square root, percent, sign change, …

  3. Calculator - Wikipedia

    The first solid-state electronic calculator was created in the early 1960s. Pocket-sized devices became available in the 1970s, especially after the Intel 4004, the first microprocessor, was developed by …

  4. Calculator App - App Store

    With the Math Notes calculator, solving expressions, creating and using variables, and even plotting equations on graphs is as simple as typing or writing them out.

  5. Calculator

    Oct 29, 2025 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, powers …

  6. Scientific Calculator - Desmos

    A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

  7. Amazon.com: Calculator

    Casio MS-80B Calculator – Desktop Calculator with Tax & Currency Tools | General Purpose | Large Display | Ideal for Home, Office & Everyday Math 5K+ bought in past month

  8. Calculator₊ App - App Store

    Download Calculator₊ by Impala Studios on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Calculator₊.

  9. Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science

    Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

  10. Online Calculator

    The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations.