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.

This free percentage calculator computes a number of values involving percentages, including the percentage difference between two given values.

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

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 …

The percent calculator helps you to calculate values related to percentages, complete with tricks and explanations.

Free online percentage calculator for increase, decrease, parts of total & more. Quick, accurate, and perfect for math, finance, or daily use.

Use our percentage calculator to work out increases, decreases or percentage differences. Common uses include calculating tax, savings increases, tips on a restaurant bill, or cash back …

Percent calculator to calculate percentage of a number online. The calculator can find percentages and calculate discounts, taxes, and tips.

Learn how to calculate a percent of a value before and after, or find the percentage change between two values, and see how to calculate each one.

This website is designed to help you quickly and easily calculate percentages for a variety of purposes. Whether you're calculating discounts, calculating tips, or trying to figure out how …