Check this HP FAQ:
Setting a Fixed Decimal Place
You can download the manual and user guides for your calculator from here:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&
For more information, Faqs & how-Tosgo the HP support homepage for your calculator:
http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&
Introduction
This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation.
Instructions for standard format
-
Press and release .
-
Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected.
Example (standard format)
If the number in the display is 14.87456320, the display will be changed as follows:
Keystroke
Display
14.8746
14.9
15
14.87456320
Instructions for scientific notation
Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing,
the next numbers keyed in are exponents of 10. Press
. If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation
Introduction
This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation.
Instructions for standard format
-
Press and release .
-
Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected.
Example (standard format)
If the number in the display is 14.87456320, the display will be changed as follows:
Keystroke
Display
14.8746
14.9
15
14.87456320
Instructions for scientific notation
Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing,
the next numbers keyed in are exponents of 10. Press
. If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation
×