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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. 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.

  3. 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.

  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. The Best Free Online Calculator

    Use the best online calculator for any math calculations on PC and smartphones. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise to a power or …

  7. 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, …

  8. 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, …

  9. Full Screen Calculator - Online Calculator

    This online calculator can handle a range of functions, including basic arithmetic, percentages, fractions, and more. If you need to perform more advanced mathematical calculations, try one of our other …

  10. Free Online Calculators: Math, Scientific & More - Calculator App

    Visit our free online calculator page to access a wide range of calculators for math, physics, finance, accounting, health & fitness.