Fractions, Entering fractions – HP 33s User Manual
Page 37
Getting
Started
1–21
For example, in the number 14.8745632019, you see only "14.8746" when the
display mode is set to FIX 4, but the last six digits ("632019") are present
internally in the calculator.
To temporarily display a number in full precision, press
|
. This shows
you the mantissa (but no exponent) of the number for as long as you hold down
.
Keys:
Display:
Description:
{%} 4
Displays four decimal places.
45
1.3
z
)
Four decimal places displayed.
{ } 2
)
Scientific format: two decimal
places and an exponent.
{} 2
)
Engineering format.
{}
)
All significant digits; trailing
zeros dropped.
{%} 4
)
Four decimal places, no
exponent.
)
Reciprocal of 58.5.
|
(hold)
Shows full precision until you
release
Fractions
The HP 33s allows you to type in and display fractions, and to perform math
operations on them. Fractions are real numbers of the form
a b/c
where a, b, and c are integers; 0
≤ b < c; and the denominator (c) must be in the
range 2 through 4095.
Entering Fractions
Fractions can be entered onto the stack at any time:
1. Key in the integer part of the number and press
. (The first
separates the integer part of the number from its fractional part.)