HP 33s - 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 Ÿ { }
Selects Radians angular mode.
4–4
€ RAD | w Degrees to radians.
Returns (2 π/360) x.
4–13 1
RADIX , Ÿ {8}
Selects the comma as the radix
mark (decimal point).
1–18
RADIX . Ÿ {)}
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