Percent Calculations; Powers And Roots - Casio FX260HA Training Manual

FX 260 Training guide

Percent calculations

•
Use the COMP mode for percentage calculations.
To find percentage of a number.
12% of 15
To calculate percentage of one number to another.
What percentage of 80 is 40?
To add a percentage.
15% to 1000 (or 1000 increased by 15%)
To discount a percentage.
85 by 10%
% change, when a value is increased
From 30 to 36
Percent of increase, when an amount is added.
300 cc is added to 500 cc

Powers and roots

2
[x ]
3
[SHIFT] [x ]
y
[ ]
x
[SHIFT] [1/x]
[SHIFT] [ ]
3
[SHIFT] [ ]
1/y
[SHIFT] [x ]
References the Casio FX-260 Solar User's Guide
Example
[15] [x] [12] [SHIFT] [%]
[40] [÷] [80] [SHIFT] [%]
[1000] [x] [15] [SHIFT] [%] [+] 1150
[85] [x] [10] [SHIFT] [%] [-]
[36] [ - ] [30] [SHIFT] [%]
[300] [+] [500] [SHIFT] [%]
Squares a number. Example: [5] [x
Cubes a number. Example: [3] [SHIFT] [x
Raises a number to a power (other than 2 or 3).
y
Example: [2] [x ] [4] [=]
Calculates the reciprocal of the displayed value.
Example: [3] [SHIFT] [1/x]
Calculates the square root of a number.
Example: [9] [SHIFT] [
Calculates the cube root of a number.
Example: [27] [SHIFT] [
Calculates the specified root of a number.
1/3
Example: For 27 , press [27] [SHIFT] [x
5
2
]
3
]
]
3 ]
1/y
] [3] [=]
Casio FX-260 Scientific calculator
Display
1.8
50
76.5
20
160