Keyboard Description - Olivetti LOGOS 902 Instructions D'emploi

Keyboard Description

NP P Printer selection switch
NP Printer is activated only when paper feed key or non-add/date key is
pressed.
P Printer is activated as long as calculator is turned on.
0 5 9 Rounding selector
0 Absolute round down.
5 Final result is rounded up if the 1
rounded down if the 1
9 Absolute round up.
A 0 2 3 4 F Decimal Point selector
A
Add mode. The decimal point is automatically placed before the last two
digits in addition and subtraction.
0,2,3,4
For multiplication and division, decimal point is set to the result of
calculation.
For addition and subtraction, decimal point is set to all entries.
For all the results, number in the decimal place to the last decimal place
designated will be rounded. For example, number at 3
rounded at "2" position.
F
Automatic floating point for decimally accurate computing. Decimal point is
entered at desired position and the decimal point is automatically shifted to
the right is under 12 digits of integer.
• GT
Grand Total switch
•
Calculation without Grand Total
GT
Any total made with [∗] key is automatically accumulated to memory. The
accumulated grand total can be recalled by pressing the [M∗] key
• IC
Item Count switch
•
Calculation without Item Count
IC
Number of entries using keys [+], [−], [M+] and [M−] will be counted.
The counter is added for [+], [M+] and subtracted for [−], [M−]. Result is
printed at left when [◊], [∗], [M◊] or [M∗] key is used.
[↑] Paper feed key
Advances the paper roll.
[AUTO CALL] Auto call key
Automatically recalls calculation made in "NP" mode.
2
st
digit not to be printed is 5 or more and
st
digit not to be printed is 4 or less.
rd
decimal place is
ENGLISH