Calculated Industries 4090 User Manual
Page 32

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MEMORY OPERATION
Your calculator has two types of Memory operations:
1) A Standard, Cumulative, Semi-permanent Memory
μ; and
2) Three Storage Registers [M1], [M2] and [M3], used to per-
manently store single, non-cumulative values.
Memory commands are listed below.
FUNCTION
KEYSTROKES
M+:
Add value to M+
μ
Subtract value from M+
Ç μ
Clear M+ (displays and clears M+)
® ®
M+ Swap (swaps current value stored in M+
with displayed value)
Ç ®
Recall stored value
® μ
M1/M2/M3:
Store single value in M1
Ç 1
Store single value in M2
Ç 2
Store single value in M3
Ç 3
Clear register M1
0 Ç 1
Clear register M2
0 Ç 2
Clear register M3
0 Ç 3
Recall stored value in M1
® 1
Recall stored value in M2
® 2
Recall stored value in M3
® 3
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