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  1. Math Calculator

    Aug 1, 2025 · Free online math calculator to add, subtract, multiply and divide positive and negative numbers. Online decimal calculator to find sum, difference and products of numbers.

  2. Online calculator: Quick Sum Calculator

    Use the dot symbol as separator for the decimal part of the number if you need to. It happened that I came across a set of numbers and wanted to sum them up. So, I've created this …

  3. Full Screen Calculator - Online Calculator

    Perform calculations with ease using our Full Screen Calculator. With a simple and user-friendly interface, our calculator makes math tasks simpler and more efficient.

  4. OK Calculator

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

  5. Mathway | Calculators

    Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

  6. Calculator - English

    Our calculator is designed to handle both basic and scientific calculations. This includes simple arithmetic operations like addition, subtraction, multiplication, and division, as well as more …

  7. Basic Calculator

    This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots.

  8. Scientific Calculator - Math is Fun

    Returns the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer. The constant π (3.14159265...) Note: for more digits of …

  9. Desmos | Scientific Calculator

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

  10. 123calculus.com - online calculators

    123calculus - online calculators : Mathematics (Fraction, Numbers, Trigonometry, Combinatorics, Functions, Equation, Matrix and Vector, Sequences, Complex Numbers, Statistics), Physics, …