Radio Shack TRS-80 PC-4 Owner's Manual page 24

Example~ Store 1234 in variable A.
Operation:
A
~
1
234
III
Example: Add the result of 23 x 56 to variable K.
Operation:
K
§)
K023056
til
I
A= 1234
I
-25.5
This manually performed method is similar to
a
substitution statement in a program.
* Prior to
pressing the • Key, corrections can be made by moving the cursor to the
position to be corrected and pressing the desired key.
(Refer to page 18.)
*
To clear the entire display, press
m .
4-3-1 How to Perform Fundamental Calculation
• Addition, Subtraction, Multiplication and Division Calculation
Example:
23+4.5-53= -25.5
Operation:
2304.51:15311I
Example
56X (-12) -:- (-2.5) =268.8
Operation:
56D~61112~~61:12.5~6111
1_-_2_6_8_._8_ _
~
_
Example:
12369x 7532X741 03=6.9036806
X
10
12
(=6903680600000)
Operation:
123690753207410311I
I
6.9036806E 12
Example:
1.
23-:-90-:-45.6=2.9970760
X
10- 4
(=0.00029970760)
,---~-~-----
Operation:
1.23.93.45.6.
I
2.9970760
E-
04
*
When the result exceeds
10
10
(10,000,OOO,OOOl
or is less than 10-
3
(0.001), it will be
displayed exponentially.
Example:
7X8+4X5=76
Operation:
708040511
Example:
12+ (2.4
X
10
5
)
-:-42.6-78X36.9=2767.602817
Operation
1202.4005.42.61:178036.911
I
2767.602817
-21-