HP 33S, User Manual

Page: 368 / 388

G–16
Operation Index
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Name Keys and Description Page
® ¥
Inserts a blank space
character during equation entry.
13–14 2
SQ
=
Square of argument. 6–15 2
SQRT
?
Square root of x . 6–15 2
STO variable
e
variable
Store. Copies x into variable.
3–2
STO + variable
e Ù
variable
Stores va x into variable.
3–4
STO – variable
e Ã
variable
Stores variable – x into variable.
3–4
STO
×
variable
e ¸
variable
Stores variable
×
x into variable.
3–4
STO
÷
variable
e ¯
variable
Stores variable
÷
x into variable.
3–4
STOP
¥
Run /stop.
Begins program execution at the
current program line; stops a
running program and displays the
X–register.
12–17
º .
Displays the summation menu. 11–4
s x
º +
{

}
Returns sample standard deviation
of
x –values:
) 1 ( ) (
2
− ÷ −
∑
n x x
i
11–6 1
s y
º +
{

}
Returns sample standard deviation
of
y –values:
) 1 ( ) (
2 − ÷ −
∑
n y y
i
11–6 1