Radio Shack TRS-80 PC-4 Owner's Manual page 19

Delete fraction from the integer portion FRAC
X
Change to absolute value
I
x
I
Symbolize positive number
~
1
O~O
negative number
~-1
Round off
(round off x at 1 oy)
Random number
FRAC
X
ASS X
SGN
X
RND (x
t
Y)*
RAN
**
*
In the case of the RND function the argument must be enclosed in parentheses.
The result obtained by executing a manual calculation or program calculation is stored
until the next calculation is executed. This result can be displayed by pressing the
~
Key.
Example:
741 +852=1593
2431-1593=838
Operation:
[ZJ@C1JO(6](Q]~
III
~~@J(jJ.~
III
741+852
1593
2431-1593
838
Also, the numerical value which is displayed following a calculation can be used in the
next calculation just as it is.
Example:
25.3+ 13.9=39.2
39.2
X
7.6=297.92
[g]§Jc:J@JO(TI@)c:J[§]1II
D(2)c:J(§)
III 297.92
-16-