Addition, Multiplication, and Exponentiation are just Levels 1, 2, and 3 in a whole chain of operations. Many people don't know about Level 4: Tetration (or the further levels like Pentation and Hexation). Let me explain these rarer operations and show you some of their powerful secrets!

By the way, some comments are confused as to why 2 tetrated 2 (or 2 pentated 2) are just 4, so let me explain that more. Remember that these stacks include the bottom number, like how 2 to the 2nd power means "2 times itself with 2 total of them multiplied" and similarly 2 tetrated 2 means "a stack of 2^2 which is 2 tall (including the lower number) which is just 2^2. Same with 2 pentated 2, which is a tetration stack 2 tall (including the bottom number) which simplifies to the above example.. So yep, just like 2 to the 2nd power simplifies to the same as 2 times itself, so does 2 (any hyperoperation) 2.

Stay tuned for next episode, when we'll visit an amazing realm of infinite fractions.

Disclaimer: This episode is for educational purposes. Do not burn any clocks, and do not lean on any waterdamaged desks.

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Combo Class, taught by Domotro, is an unconventional learning experience where anybody (whether they're a fan of normal school or not) can become excited to learn rare things about math, science, language, and more. Also check out the shorter videos on the Combo Class Bonus channel. Thanks for coming to Combo Class!