A canvas is a picture or object in the code! It can be coloured,sized and more.
Math
For java coding you can add, minus, divide and multiply by typing 3+4 to add,3*4 to multiply,3/4 to divide and 3-4 to subtract (the 3 & 4 are exanples).
For java coading you can find the length by typing in "any word".length
The computer will say the number of letters in the word.
Facts
it has words in colour!
Coding takes pages and pages of repeated numbers to make a simple game!