# What do these do I need help

@Liza @t1_hopscotch @alish @lan @AHappyCoder @CreativeCoder help what does it do?

**t1_hopscotch**#4

Hi @Work_kids_coding, the √ symbol means *square root*. "What is the square root of 25?" is the same as "What number multiplied by itself gives 25?" Since 5x5=25, the square root of 25 is 5. So √25 = 5

If you've never seen those calculator functions inside Edit mode before, you can find them by scrolling down with the Calculator menu:

And @Kiwicute2015 posted her very helpful project on sin and cos, and you can also check out this forum post on What are sin and cos?