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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.

Una calculadora científica en línea, fantástica y gratuita, con funciones avanzadas para evaluar porcentajes, fracciones, funciones exponenciales, logaritmos, trigonometría, estadísticas y más.

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

El 100% gratuito y confiable calculadora online que le ayuda a resolver cualquier problema relacionado con el cálculo y le proporciona las medidas precisas.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

Usa nuestra calculadora básica en línea gratuita. Realiza sumas, restas, multiplicaciones, divisiones y calcula porcentajes de forma rápida y sencilla.

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

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