Casio fx-65 Training Manual - Page 4
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FX 65 Training guide
Basic Arithmetic Calculations
Basic Functions and Operations
The following are the basic functions and operations of the calculator.
[AC]
[C]
[SHIFT]
Note: There is no power off key. The calculator automatically turns off about six minutes
after you finish using it.
Basic Calculations
Be sure to press [AC] when beginning a new calculation.
[+] [ - ] [x] [÷]
÷R
[=]
[+/-]
[(] [)]
[SHIFT] [π]
[SHIFT] [X-Y]
References the Casio FX-65 User's Guide
Backspaces and deletes the right digit of a displayed input value.
Turns power on.
Clears the displayed input value.
Shifts the keyboard and accesses functions marked above the keys.
Addition, subtraction, multiplication, and division
Division with remainder. The display shows up to (6) digits for the
quotient and (4) digits for the remainder.
Performs calculation
Changes the sign of a displayed value. You must enter the value
first.
Left and right parentheses. You can have up to 18 sets of nested
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.
In degree mode, this will input the numerical value for π. In radian
mode, the "π" symbol will be displayed.
Swaps the value of x and y in power and root calculations. Also
swaps the minuend and subtrahend in subtraction calculations.
2
Example: for 3
, to swap 3 and 2, press [3] [x
The answer displayed is 8.
4
y
] [2] [SHIFT] [X-Y] [=].
Casio FX-65 Fraction calculator