BA II Plus Calculator Manual

98 Appendix — Reference Information

Battery Disposal

• Do not mutilate, or dispose of batteries in fire.

• The batteries can burst or explode, releasing hazardous chemicals.

• Discard used batteries according to local regulations.

In Case of Difficulty

Use this list of possible solutions to difficulties you might encounter with

the calculator to determine if you can correct a problem before having to

return it for service.

If you experience difficulties other than those listed above, press &

} ! to clear the calculator, and then repeat your calculations.

Note: You can also perform a hard reset using the reset hole in back of

the calculator. (See “Resetting the Calculator

” on page 6.)

Difficulty Solution

The calculator computes

wrong answers.

Check the settings of the current

worksheet to make sure they are

correct for the problem you are

working; for example, in the TVM

worksheet, check

END and BGN and be

sure the unused variable is set to zero.

The display is blank; digits do

not appear.

Select the worksheet again. Be sure the

battery is properly installed and

replace, if necessary.