Calculated Industries 3420 User Guide - Manual (Page 20)

U SER ’ S G UIDE — 19
MEMORY
Accumulative Memory µ
Whenever the µ key is pressed, the displayed value will be added
to cumulative Memory. This value will remain in Memory until cleared
or when the calculator is turned off.
Other Memory functions:
FUNCTION KEYSTROKES
Recall total in Memory ® µ
Display and clear Memory ® ®
Subtract displayed value from Memory s µ
Replace Memory with displayed value s ® µ
The Memory is semi-permanent; that is, it will only be cleared when
you:
1) turn off the calculator;
2) press
® ® ; or
3) press s x (Clear All).
Examples:
STEPS KEYSTROKES DISPLAY
Store number into Memory 3 5 5 µ M 355.00
Add number to Memory 2 5 5 µ M 255.00
Recall total in Memory ® µ M 610.00
Subtract from Memory 7 4 5 s µ M 745.00
Recall total in Memory ® µ M – 135.00
Replace Memory 5 0 s ® µ M 50.00
Recall and clear Memory ® ® 50.00
Store 55, recall, and multiply by 40. Then multiply it by 60.
STEPS KEYSTROKES DISPLAY
Clear o o 0.00
Store 55 5 5 µ M 55.00
Multiply x 4 0 = M 2,200.00
Recall 55 ® µ M 55.00
Multiply x 6 0 = M 3,300.00
Clear Memory ® ® 55.00
3420UG-E-A 7/2/04 9:06 AM Page 19