Calculator

Calculator well is a calculator. 
Put in your question into the ask and it will give you an answer, it can only handle two-three equation parts( numbers and equations) it can't handle more.
If you edit you will see a number of blocks inside of it, which are the blocks that it can do and if you want to see how it works go into the block named "ask:"

- for some equations you need to use their symbols,EG: +,*,/,^ and other