Features; Key/Switch/Symbols Identifications - Citizen CT-666 Operating Instructions Manual

FEATURES:

1. Battery and solar powered calculator.
2. 12-digit FEM liquid crystal display.
3. Algebraic mode.
4. Floating or fixed decimal point operation.
5. Auto-power-off function.
6. 2 keys roll-over function.
7. Tax calculation.
8. Cost/Sell/Margin calculator.
9. 120 Steps check & correct function
KEY /SWITCH/SYMBOLS IDENTIFICATIONS
[ON/AC] : Power on/all clear key
[CE/C] : Clear entry key/Clear key
[M+] : Memory plus key
[M-] : Memory minus key
[MRC] : Memory recall key/clear key
[00] : Double zero key
[000] : Triple zero key
[√] : Square root key
[ AUTO ] : Auto replay key
REPLAY
[ ] : Step by step check key(forward a→b→c=d)
[ ] : Step by step check key(forward a←b←c=d)
[ ] : Correction key/Shift-right key
A 0 2 3 4 F
: Decimal point setting switch
5/4
:Round-off/round-down/round-up switch