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Cheat Sheet

Take a look to our Cheat Sheet with some of the major mathematical concepts. You can download them to be by your side when you study.


We have a set of calculators to help you quickly perform a series of calculations. Calculate the roots of a quadratic equation, step by step!


Check out our list of formulas, symbols, curves and more! Search our list of frequently asked questions for answers to your questions.


With the help of Geogebra Software, you will finally be able to understand some important concepts of geometry. Give it a try!

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Challenge of the day:

Math challenge of the day

To see math challenges from previous days visit Math Problems.

Quote of the day:

"Mathematics does furnish the power for deliberate thought and accurate statement, and to speak the truth is one of the most social qualities a person can possess. Gossip, flattery, slander, deceit all spring from a slovenly mind that has not been trained in the power of truthful statement."

S. T. Dutton

Question of the day:

Why do we use the letter m to represent the slope?

see answer

Term of the day:

Mixed number

A number containing both a whole number and a fraction.

Image of the day:

image with mathematical humor