HP 10B - Manual (Page 120)

A: Exponent of ten (for example» 2.51 x 10'*^). Refer to “Scientific and
Engineering Notation*' on page 27.
Q:
Why do I get a wrong answer or the no SoLution message when using
TVM?
A:
Be sure to enter a value for four of the five TVM values before you
.solve for the fifth, even if one of the values is zero. (Don’t forget to store a
zero for (FVI if you completely pay ofT a loan.) Clearing all the registers
(BiCLEAR ALLh before entering your known values accomplishes the
same thing. Check to see that the calculator is in the appropriate payment
mode (Begin or End mode) and that P/YR is set correctly.
Q:
How can I change the sign of a number in a list of cash flows?
A:
You must replace the cash flow entry. “Viewing and Replacing Cash
Flows” is discussed on page 79.
Q:
What docs PEND in the display mean?
A:
An arithmetic operation is pending (in progress).
Q:
What docs : in the display mean?
A:
The lINPUfl key has been pressed, or two values have been returned
(page 25).
Q:
Why is fRR/YR larger than I expected?
A:
This is IRR per yean 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 obscr\'c the following temperature and humidity limits:
■ Operating temperature: 0® to 45®C (32° to 113°F).
■ Storage temperature: -20° to 65°C (-4° to 149°F).
■ Operating and storage humidity: 90% relative humidity at 40°C
(104°F) maximum.
A: Assistance, Battarios, and Service 117