Casio FX260HA User Manual
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FX 260 Training guide
Basic Arithmetic Calculations
Basic Functions and Operations
The following are the basic functions and operations of the calculator.
Backspaces and deletes the right digit of a displayed input value.
[ON] Turns power on.
[C] Clears the displayed input value.
[SHIFT] Shifts the keyboard and accesses functions marked above the keys.
Note: There is no power off key.
Basic Calculations
Be sure to press [AC] when beginning a new calculation.
[+] [ - ] [x] [÷] Addition, subtraction, multiplication, and division
[=] Performs calculation
[+/-] Changes the sign of a displayed value. You must enter the value
first.
[(] [)] Left and right parentheses. Note: The calculator uses “order of
operations”. So for 2 + 3 x 4, you do not need parentheses around
3 x 4. The calculator will calculate 3 x 4, then add 2.
[SHIFT] [π] This will input the numerical value for π.
[SHIFT] [X-Y] Swaps the value of x and y in power and root calculations. Also
swaps the minuend and subtrahend in subtraction calculations.
Example: for 3
2
, to swap 3 and 2, press [3] [x
y
] [2] [SHIFT] [X-Y] [=].
The answer displayed is 8.
3
References the Casio FX-260 Solar User’s Guide Casio FX-260 Scientific calculator