Using Variables In Calculations - Sharp PC-1403 Operation Manual

64
A variable may be used in place of a number in any calculation.
Now that you have planned your awards dinner, you need to complete arrangements
for your conference. You wish to allocate the rest of your budget by percentages also.
First you must find out how much money is still available. Assign a variable (R) to be
the amount remaining from the total:
You can also assign the value of one variable (right) to another variable (left):
C=A+3
D=E
A=5
B=-2
Using Variables in Calculations
The computer can store up to 26 fixed variables under the alphabetic characters A to Z.
If you are unfamiliar with the concept of variables, they are more fully explained in
Chapter
4.
You designate variables with an Assignment Statement:
Note: In BASIC (PRO or RUN) mode, the close parenthesis before the]
ENTER
I k ey
cannot be omitted. In CAL mode, however, you can omit it before the
@
key.
W CTI IIJ C£J ITJ
[§]
rnrnoomrnrnrnrn
675.
1s
I
00
OJ
I
ENTER
I
mwrnrnrnw
rnmoocomm
0.165
m oo oo oo
1ENTER1
Input Display
When performing compound calculations, the computer has specific rules of expres-
sion evaluation and operator priority (see page 76). Be sure you get the calculation
you want by using parentheses to clarify your expressions.
(675+6750)/45000 or 675+(6750/45000)
To illustrate the difference that the placement of parentheses can make, try these two
examples:
Using as a Calculator