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Operation Index G–13
Name Keys and Description Page ¼
OCT
{x
{
!
}
Selects Octal (base 8) mode.
10–1
|
Turns the calculator off. 1–1
Pn,r
{_
Permutations of n items
taken r at a time. Returns n!
÷
(n –
r)!.
4–14 2
{e
Activates or cancels (toggles)
Program–entry mode.
12–5
PSE
|f
Pause.
Halts program execution briefly to
display x, variable, or equation,
then resumes. (Used only in
programs.)
12–16
12–17
r
|
{
T
} Returns the
correlation coefficient between the
x– and y–values:
22
)()(
))((
¦
¦
−×−
−−
yyxx
yyxx
ii
ii
11–7 1
RAD
{

}
Selects Radians angular mode.
4–4
RAD
|w
Degrees to radians.
Returns (2
π
/360) x.
4–13 1
RADIX ,
{
8
}
Selects the comma as the radix
mark (decimal point).
1–18
RADIX .
{
)
}
Selects the period as the radix
mark (decimal point).
1–18
RANDOM
|k
Executes the
RANDOM function. Returns a
random number in the range 0
through 1.
4–14 1