Online calculators for everything. Some solve problems, some satisfy curiosity.

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 is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more.

MyOnlineCalc is a comprehensive free online calculator offering both basic arithmetic and advanced scientific mathematical functions. Perfect for students, professionals, engineers, and …

Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use.

The calculator will display the result of your calculation on the screen. If you need to perform another calculation, simply enter the new numbers and operators and click "Equals" again. …

CPF contributions CPF contribution calculator A tool for employers and employees to calculate their CPF contributions. Use this calculator to compute the monthly CPF contributions payable …

Versatile Functionality: From basic calculation to complex scientific calculations, our online calculator handles it all with ease. You can perform addition, subtraction, multiplication, …

Math Assistant Math Assistant in OneNote can help you solve math problems — whether you need a quick answer or want to learn step-by-step, it's your personal tutor and problem-solver …

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