HP 33s User Manual page 368

Name
®
SQ
SQRT
STO variable
STO + variable
STO – variable
STO variable
STO variable
STOP
º .
sx
sy
G–16
Operation Index
Keys and Description
¥
Inserts a blank space
character during equation entry.
=
Square of argument.
?
Square root of x.
e
variable
Store. Copies x into variable.
e Ù
variable
Stores variable + x into variable.
e Ã
variable
Stores variable – x into variable.
e ¸
variable
Stores variable x into variable.
e ¯
variable
Stores variable x into variable.
¥
Run/stop.
Begins program execution at the
current program line; stops a
running program and displays the
X–register.
Displays the summation menu.
º +
{  }
Returns sample standard deviation
of x–values:
∑
2
( x x ) ( n
i
º +
{  }
Returns sample standard deviation
of y–values:
∑
2
( y y ) ( n
i
Page
13–14
6–15
6–15
12–17
11–4
11–6
) 1
11–6
) 1
2
2
2
3–2
3–4
3–4
3–4
3–4
1
1