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Setting a Fixed Decimal Place

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Introduction
This document describes how to set the desired number of decimal places on the HP 12C Calculator in standard format and in scientific notation.

Instructions for standard format

  1. Press and release the gold PREFIX key (f).
  2. Press the number key for the desired number of decimal places (0 through 9).
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:
KeystrokesDisplay
[ f ] 5 14.87456
[ f ] 1 14.9
[ f ] 0 15
[ f ] 9 14.87456320

Instructions for scientific notation

  1. Press and release the gold PREFIX key (f).
  2. Press the decimal point key.

Example (scientific notation)

The number 14.87456320 will be displayed as 1.487456 01
NOTE: A maximum of 10 digits can show on the display.