Question

How to use same formula again and again in scientific calculator?

Answer 1

To store numbers:

Calculate the equation in the calculator.

Press shift (a small “S” will appear on screen)

Press RCL button, (STO will be written above it)

Press any of the following A(-), B( • ' “), C(hyp), D (sin), E (cos), F (tan)

The screen will show the letter with an arrow pointing at the answer (eg. Ans→A)