hp calculators
HP 12C Platinum Operating modes and clearing procedures
Number representation
There are many different settings that allow the user to customize the HP12C Platinum according to personal needs.
One of the basic settings is related to number representation. Basic financial operations usually show two decimals of
currency, requiring two digits after the radix mark (decimal point), and this is the default representation. The HP12C
Platinum allows the number of decimal digits of the number in the display to be changed with the following keystroke
sequence: f[number key] where [number key] refers to any key from 0 to 9.
Example 1: Calculate 4/7 and show the resulting value with four, six and seven digits after the radix mark.
Solution: The following keystroke sequence can be used:
In RPN mode: 4 \ 7 z f4
In algebraic mode: 4 z 7 ³ f4
Figure 1
f6
Figure 2
f7
Figure 3
Note that an automatic rounding occurs with the representation of the number, but internally there is always
a ten-digit mantissa and a two-digit exponent of ten for each number. If it is necessary to check the
mantissa of the number in display:
fX (hold for as long as needed)
Figure 4
hp calculators - 2 - HP 12C Platinum Operating modes and clearing procedures - Version 1.0
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