Sony PEG-SJ30 Manual
powerOne™
9
Infinity Softworks
Performing Arithmetic
The following are two-variable examples:
Operation
Operation
Example
Keystroke
Answer
Addition
8 + 3
8 [+] 3 [=]
11.00
Subtraction
8 – 3
8 [–] 3 [=]
5.00
Multiplication
8 x 3
8 [x] 3 [=]
24.00
Division
8
÷
3
8 [
÷
] 3 [=]
2.67
Power
♦
3
4
3 [power] 4 [=]
81.00
Percent
♦
15% of 350
350 [x] 15 [%x]
[=]
[=]
52.50
Percent ratio
♦
9 is what
percent of
25
percent of
25
9 [
÷
] 25 [%x] [=]
36.00
Percent add-
on
on
♦
22.95 + 6%
sales tax
sales tax
22.95 [+] 6 [%x]
[=]
[=]
24.33
Percent
discount
discount
♦
39.99 less
10%
10%
39.99 [–] 10 [%x]
[=]
[=]
35.99
♦
these functions are available by selecting the “Math” button.
One-Variable Math
The powerOne calculator provides many functions that can be used
as one-variable math functions, including square root, x-squared,
and reciprocal. These functions use only the value in the main
view window. For example, to calculate the square root of 8:
Key
as one-variable math functions, including square root, x-squared,
and reciprocal. These functions use only the value in the main
view window. For example, to calculate the square root of 8:
Key
Display
Comments
C/CE
Tap twice to clear the display
8
8