G–13 – HP 33s User Manual
Page 365
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:
2
2
)
(
)
(
)
)(
(
¦
¦
−
×
−
−
−
y
y
x
x
y
y
x
x
i
i
i
i
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