Calculation Notes - Casio FX-730P Owner's Manual

2·3
Calculation Notes
• Priority Sequence in Calculation
As mentioned in the preceding section, calculations are subject to the rule of
" priority sequence" (true algebraic logic) which requires that multiplication and
division take precedence over addition and subtraction. This computer auto-
matically judges the priority sequence. You simply input a numeric expression
and the correct answer will be displayed.
Here is the priority sequence in a calculation :
1) Functions (sin, cos, tan, etc.)
2) Power (t)
3) Multiplication(*), division(/)
4) Addition (
+ ),
subtraction (-)
Calculations are performed according to this priority sequence. When calcula-
tions happen to be equal in the priority sequence, priority is given to the calcula-
tion on the left. If there are parentheses, top priority should be given to the
parenthesized calculation.
Example:
2+3*SIN(17+13) t2
L__CD__J
~- @ __J
~--- ® ---~
~---- © ----~
~----- ®----~
2.75
• Number of Input/Output Digits and Calculation Digits
The range of input values (number of input digits) acceptable to this computer
is 12 digits for a mantissa and 2 digits for an exponent. The same number of
digits apply to internal calculations.
The displayed range of a value (number -of output digits) is 10 digits for a
mantissa and 2 digits for an exponent.
Example:
182345678912~ 1.234567891
1 2 3 4 5 6 7 8 9
t2
(I)
1 0 0
~ 1
I
2
.
3 4 5 6 7 ::: 9 1 E 1 2
1234567891200-100~ -1.234567S91E12
23