Thanks for the tip! Interestingly, I found it weird how the app handles order-of-operations.
That is, if you type 1 + 2 / 2, the answer shows up as 2 and the paper tape shows
1 + 2 / 2
= 2
However, if you type 1 + 2 = / 2 (that is, you type equals after the 1 + 2, which will show 3 on the screen, before typing the / 2 part), the last line of the paper type shows
That is, if you type 1 + 2 / 2, the answer shows up as 2 and the paper tape shows
However, if you type 1 + 2 = / 2 (that is, you type equals after the 1 + 2, which will show 3 on the screen, before typing the / 2 part), the last line of the paper type shows They need to add some parentheses in there.