Learn what the acronym PEMDAS stands for and find out how it can help you remember the order of operations and answer arithmetic and algebra problems correctly.
In addition to hosting Math Dude, Jason Marshall works as a research scientist at the California Institute of Technology (Caltech) studying the infrared light emitted by starburst galaxies and quasars. Jason obtained a Ph.D. from Cornell University, where he also taught many physics and astronomy classes, and a B.S. in Astrophysics from UCLA.
Use Math Dude's easy multiplication trick
Learn Math Dude's super-easy conversion trick.
Learn how square roots are used in the real world, how you can easily estimate the value of a square root in your head, and how you can use an ancient algorithm to calculate the value of a square root by hand to as high a precision as needed.
Find out what makes math cool and why you shouldn’t hate it.
Learn what decimal points and decimal numbers are and how they're related to fractions.
Learn what square roots are, how they’re related to perfect squares, and what pitfalls to watch out for when calculating them. Then try your hand at a few practice problems to make sure you understand everything.
Learn how to solve our positively odd brain teaser puzzle about adding up positive odd integers as we prove once and for all that math is most definitely not an awful nerd.
Math Dude's easy trick for calculating a 15% tip. No calculator required!
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