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In both standard and scientific modes, Calculator has four memory buttons, marked MC, MR, MS, and M+. These provide a storage bin from which you can use a value repeatedly.
For example, suppose you want to divide each of a dozen numbers by the same factor—say, 0.01375. To spare yourself the drudgery of entering that factor in a dozen separate calculations, you could do this:
- Enter .01375.
- Click the MS (store in memory) button.
Calculator stores the current value (0.01375) in its memory register and displays an M in a box directly above the memory buttons.
- Enter the first of your dozen numbers.
- Click the / button.
- Click the MR (recall from memory) button.
- Click =.
- Repeat steps 3 through 6 for each remaining number.
Here's what each memory button does:
- MS stores the currently displayed value in the memory register, replacing any value that might have been there before.
- M+ adds the value currently displayed to the value in the memory register.
- MR recalls the value currently in memory and enters it into the current calculation. The value remains in memory.
- MC clears the memory register. The M displayed above the memory buttons disappears.