When do we ever rearrange formulas in real life?

If students have access to a TI-83 or higher, they can easily enter this program or a teacher can transfer it to a classroom set and have them modify it:

How can we get the program to give us R?

ClrHome

Disp “D=RT”

Prompt R

Prompt T

RT→D

ClrHome

Output(4,5,”D=RT”)

Output (5,4,”OUTPUT:”)

Output(5,12,D)

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