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, Pi and memory. All clear button clears the calculator, tape, and resets any functions.

Context Explanation

Memory recall button retrieves the number you have in memory and places it in the display field. Memory plus button adds the number displayed to the contents of the memory. Memory minus button subtracts the number displayed from the contents of the memory. Oct 29, 2025 · Use this basic calculator online for math with addition, subtraction, division and multiplication.

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Insight Material

The calculator includes functions for square root, percentage, pi, exponents, powers and rounding. 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. Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering.

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Final Conclusion

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