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Casio fx-50F PLUS Manual

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E-31
k Other Functions
x !, Abs(, Ran#, n P r , n C r , Rnd(
The x!, nPr, and nCr functions can be used in the CMPLX Mode, but complex number
arguments are not supported.
A Factorial (!)
Syntax: {
n}! ({
n} must be a natural number or 0.)
Example: (5 + 3)!
(5+3)
1X(x!)E
A Absolute Value (Abs)
When you are performing a real number calculation, Abs( simply obtains the absolute value.
This function can be used in the CMPLX Mode to determine the absolute value (size) of a
complex number. See “Complex Number Calculations” on page 34 for more information.
Syntax: Abs({n})
Example: Abs (2 – 7) = 5
1)(Abs)2-7)E
A Random Number (Ran#)
This function generates a three-decimal place (0.000 to 0.999) pseudo random number. It
does not require an argument, and can be used the same way as a variable.
Syntax: Ran#
Example: To use 1000Ran# to obtain three 3-digit random numbers.
10001.(Ran#)E
E
E
• The above values are provided for example only. The actual values produced by your
calculator for this function will be different.
(
5+3
)
!
40320
(
5+3
)
!
40320
Abs
(
2–7
)
5
Abs
(
2–7
)
5
1000Ran#
287
1000Ran#
287
1000Ran#
613
1000Ran#
613
1000Ran#
118
1000Ran#
118
… 32 …


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