“You must show your work.” That was a phrase I heard in almost every one of my math classes. Showing your work proves to the teacher that you really know what you’re doing and helps you backtrack if a mistake was made. When using a calculator, being able to show your work is a little more difficult, and even more so when calculating on your phone or computer. But, there is a little known feature called “Paper Tape” that shows all of your work using the Mac calculator.

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