Calculate derivative with this tool

Integration has never been simplier!

Use this utility to simplify expressions

Find out how many calories you will burn while doing different things

Calculate how many calories you consume!

10 tablespoons of butter in grams

An easy way to compare units of mass.

Learn how do units of length conversions.

Binomial probability distribution

Geometric probability distribution

Poisson probability distribution

How much energy does my fridge use?

How much can I save buying a new PSU?

Solve problems with fractions

Mixed numbers tamed!

Improper as mixed numbers!

Multiply, add and subtract matrices

Invert a matrix

Multiply two matrices

Learn how old you are

Calculate difference in various units of time

A utility to help you figure out time differences