19 | DIVISION KEY: |
| Orders division. |
20 | MULTIPLICATION KEY: |
Orders multiplication.
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1ST MEMORY KEYS:
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| These keys have access to the 1st memory register to store, calculate and recall | ||||||||||
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| numbers for further use. | ||||||||||
| MEMORY PLUS |
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| : | When depressed after a numeric key or a calculation this key adds | |||||||
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| the numbers or the result to the 1st memory register. | ||||
| MEMORY MINUS |
| : | When depressed after a numeric key or a calculation this key | |||||||||
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| subtracts the numbers or the result from the 1st memory register. | ||||
| RECALLMEMORY | : | Displays the contents stored (the answer) in the 1st memory | ||||||||||
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| register on the display. It does not clear the contents, but recalls the | ||||
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| answer to the display. | ||||
| CLEAR MEMORY | : | Clears the entire contents of the 1st memory register only. | ||||||||||
22 DISPLAY |
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| : 1st memory symbol |
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| Appears when a number is in the 1st memory. | ||||||||||
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| : | Minus symbol |
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| Appears when a number is a negative. | ||||||||||
: | Error symbol |
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| Appears when an overflow or an error is detected. | ||||||||||
:2nd memory symbol
Appears when a number is in the 2nd memory.
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