Olivetti LOGOS 902 Instructions D'emploi page 20

[=] Equals key
Completes multiplication, division, delta percent or mark up.
[C/CE] Clear / Clear entry key
Clears a live entry by pressing this key once. Clears all the accumulator or
calculation status except Memory by pressing this key twice.
[+/-] Sign change key
Reverses the sign on the display.
[→] Right shift key
Deletes right most character of a live entry.
[0]-[9], [00], Numeric keys
[000], [•] Any numeral over 12 digits will be ineffective. When decimal point key is
used more than once in one numeral, the first decimal point will be
considered as effective.
[-] Minus key
Subtracts an amount from the accumulator.
To subtract the same amount more than once (repeat subtraction), enter
the amount once and press this key as many times as necessary.
If this key is pressed immediately after [%] key, it works as a percent minus
key.
[+] Plus key
Adds an amount to the accumulator.
To add the same amount more than once (repeat addition), enter the
amount once and press this key as many times as necessary.
If this key is pressed immediately after [%] key, it works as a percent plus
key.
[#/D] Non-add / Date key
Prints a live entry as an identifier, e.g. an invoice number with "#" mark, on
left hand side of paper roll.
[◊] Subtotal key
Gives intermediate result of addition and subtraction.
Prints but does not clear the accumulator.
[∗] Total key
Gives total result of addition and subtraction.
Pressing this key clears the total accumulator.
When this key is pressed with the "GT" switch engaged, the result is
accumulated automatically in memory.
[M∗] Memory total key
Prints and clears the memory.
[M◊] Memory subtotal key
Prints but does not clear the memory.
4 ENGLISH