E-2
General guide
Power supply
On or Off :
To turn the calculator on, press [ON/C]; to turn the calculator off, press
[2ndF] [OFF].
Auto power-off function :
This calculator automatically turns off it when not operated for
approximately 9 minutes. Power can be restored by pressing the [ON/C]
key again. Memory contents and the previous mode setting (STAT, DEG,
CPLX, Base-n,…) are retained even when power is turned off or auto
power-off.
Battery replacement :
The calculator uses two alkaline button batteries GP76A(LR44) for
power. If the display becomes dim and difficult to read, the batteries should
be replaced as soon as possible.
To replace batteries:
1) Remove the screws that hold the back cover.
2) Remove the back cover.
3) Replace the old batteries and install new ones with polarity in correct
directions.
4) Secure the screws in place, then press [ON/C] to turn the power on.
The keyboard
Many of the calculator’s keys are used to perform more than one function.
The functions marked on the keyboard are printed differently to help you find
the one you need quickly and easily.
1st functions
Those are the functions that are normally executed when you press the key.
2nd functions
The second function is printed above or to the right of the key. To execute
2nd functions key, please press [ 2ndF ] then the corresponding key. When
you press [ 2ndF ], the “ 2ndF ” indicator shown in the display is to tell you
that you will be selecting the second function of the next key you press. If you
press [ 2ndF ] by mistake, simply press [ 2ndF ] again to remove the “ 2ndF
” indicator.
sin
sin
–1
1st functions
2nd functions
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