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32 — S
HEET METAL/HVAC PRO CALC
i. Basic Cumulative Memory (M+)
Example 1:
Store 100 into M+, add 200, then subtract 50. Clear the Memory:
KEYSTROKE DISPLAY
1 0 0 µ M+ 100.
2 0 0 µ M+ 200.
5 0 Ç µ M– 50.
® ® M+ 250.
Note: To Clear Memory (M+):
- press ® ®; or
- turn off the calculator.
Example 2:
Store 100 into M+, then replace this value with 200 using Memory
Swap:
KEYSTROKE DISPLAY
1 0 0 µ M+ 100.
® µ M+ 100.
2 0 0 Ç ® SWAP 100.
® µ M+ 200.
® ® M+ 200.
ii. Permanent Storage Registers (M1, M2, and M3)
Examples:
Store a rate of $175 into M1 and recall the value:
KEYSTROKE DISPLAY
1 7 5 Ç 1 M-1 175.
O o 0.
® 1 M-1 175.
Store 1,575 Square Meters into M2 and recall the value:
KEYSTROKE DISPLAY
1 5 7 5 m m Ç 2 M-2 1575. SQ M
O o 0.
® 2 M-2 1575. SQ M
Note: To Clear M1-M3: Values stored in M1-M3 will remain permanently stored, even
after you turn the calculator off. You will never need to clear the storage registers;
simply enter a new value. However, if you wish to clear M1-M3 to “zero”:
- Enter 0 Ç 1, 0 Ç 2 or 0 Ç 3
STORED
STORED
STORED
M
M
STORED
M
M
M
M
M
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