Q:How can I change the sign of a number in a list of cash flows?

A:You must edit or replace the cash flow entry (Ch. 8 Cash Flow Calculations).

Q:What does PEND in the display mean?

A:An arithmetic operation is pending (in progress).

Q:What does INPUT in the display mean?

A:The Ækey has been pressed (Ch. 2 Getting Started).

Q:Why is IRR/YR larger than I expected?

A:This is IRR per year. To see a periodic IRR, divide IRR/YR by P/YR.

Environmental Limits

To maintain product reliability, you should avoid getting the calculator wet and observe the following temperature and humidity limits:

•Operating temperature: 0° to 40°C (32° to 104°F).

•Storage temperature: -20° to 65°C (-4° to 149°F).

•Operating and storage humidity: 90% relative humidity at 40°C (104°F) maximum.

IV Appendix A: Batteries and Answers to Common Questions