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 …

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.

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

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

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 …

Step 1: Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and …

2025年8月1日 · This basic calculator is a web-based tool to do simple arithmetic operations like addition, subtraction, multiplication, and division. It looks and behaves just like a regular hand …

Online scientific calculator from MathDA: perform calculations with basic math to equation solver, integral, derivative, matrix, vector, statistics...

web2.0calc.com online calculator provides basic and advanced mathematical functions useful for school or college. You can operate the calculator directly from your keyboard, as well as using …

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 …