< fx-100W >

This calculator is powered by single AA-size battery.

•Replacing the Battery

Dim figures on the display of the calculator indicate that battery power is low. Continued use of the calculator when the battery is low can result in improper operation. Replace the battery as soon as possible when display figures become dim.

•To replace the battery

1Press ito turn power off.

2Remove the six screws

that hold the back cover in Screw

Screw

place and then remove the

 

back cover.

 

3 Remove the old battery.

4Load a new battery into the

unit so it’s positive k and negative l sides are facing correctly.

5 Replace the back cover

 

and secure it in place with

 

the six screws.

P button

6 Use a thin, pointed object

to press the P button. Be

 

sure not to skip this step.

 

7Press Lto turn power on.

• Auto Power Off

Calculator power automatically turns off if you do not perform any operation for about six minutes. When this hap- pens, press L(fx-991W/ fx-115W: 5) to turn power back on.

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