I used to have 4 decimal places and someone I now only have 1 decimal place to the right of the decimal point, and I'm not sure how to reset... thanks.
I found this solution on the HP website. Turn it on, and do what it says. Then turn it off and back on again, and the extra decimal places should show.
http://h10025.www1.hp.com/ewfrf/wc/document?dlc=en&lc=en&cc=us&docname=bpia5183
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
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected.
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which has the smallest decimal place 3.6 cm or 4 cm
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