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  1. Scientific Calculator - Desmos

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

  2. 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.

  3. 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.

  4. 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 …

  5. Online Calculator - English

    Perfect for students, professionals, and everyday users, this online calculator provides accurate results for basic arithmetic, scientific functions, and more. Enjoy the convenience of free, ad-free …

  6. Online Calculator – Free & fast calculator

    Our online calculator performs all the basic arithmetic operations — addition, subtraction, multiplication, and division — instantly. It also supports percentages, parentheses, exponents, and constants like π …

  7. Web 2.0 scientific calculator

    Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, …

  8. Free TI 84 Calculator Online - Texas instrument 84 plus graphing ...

    This web-based emulator provides all the functionality of a physical TI-84 Plus CE calculator right in your browser, no download required, completely free and accessible from any device. Perfect for …

  9. calculator.com®

    calculate anything, anytime, anywhere... Free online calculators for everything. Some solve problems, some satisfy curiosity and some simply for fun.

  10. Basic Calculator - Free Online Math Calculator | MyOnlineCalc

    MyOnlineCalc is a professional free online calculator featuring both basic arithmetic and advanced scientific mathematical functions. With customizable themes, full keyboard support, and mobile …