Performing Arithmetic
powerOne™ Personal
11
Natural Log
ln(4)
4 [ln]
1.39
Percent
15%
15 [%x]
0.15
Power of 10
10
4
4 [10
x
]
10,000
Reciprocal
1/5
5 [1/x]
0.20
Show
[show]
Shows all available decimal places for
the currently displayed number
Square
8
2
8 [x
2
]
64.00
Square root
√
8
8 [
√
x]
2.83
Trig Functions
sin(30)
30 [sin]
0.50
Two-Variable Functions
Multiple two-variable math functions are supported, including basic
math, power and percentage change. The following are examples of
two-variable functions:
Operation
Example
Keystroke
Answer
Addition
8 + 3
8 [+] 3 [=]
11.00
Division
8
÷
3
8 [
÷
] 3 [=]
2.67
Multiplication
8
×
3
8 [
×
] 3 [=]
24.00
Percent
15% of 350
350 [
×
] 15 [%x] [=]
52.50
Percent add-on
22.95 + 6%
sales tax
22.95 [+] 6 [%x] [=]
24.33
Percent discount 39.99 less
10%
39.99 [–] 10 [%x] [=]
35.99
Percent ratio
9 is what
percent of 25
9 [
÷
] 25 [%x] [=]
36.00
Power
3
4
3 [y
x
] 4 [=]
81.00
Root
3
√
8
8 [
y
√
x] 3 [=]
2
Subtraction
8 – 3
8 [–] 3 [=]
5.00
