HP 35s User Manual page 367

Name
x ˆ
!
XROOT
x
w
 
x<> variable
x<>y
 
x y
x y?
x<y?
x>y?
x y?
Keys and Description
 
( )
Given a y–value in the X–register,
returns the x–estimate based on the
regression line: x ˆ
 *
Factorial (or gamma).
Returns (x)(x – 1) ... (2)(1), or
1).

The argument
argument .
2
ÕÕ
weighted mean of x values: ( y
y .
i
Displays the mean (arithmetic
average) menu.
 
x exchange.
Exchanges x with a variable.

x exchange y.
Moves x to the Y–register and y to
the X–register.
Displays the "x?y" comparison tests
menu.
 
( )
If x y, executes next program line;
if x=y, skips next program line.
 Õ
( )
If x y, executes next program line;
if x y, skips next program line.
 ÕÕ
If x<y, executes next program line;
if x y, skips next program line.
 ÕÕÕ
If x>y, executes next program line;
if x y, skips next program line.
 ÕÕÕÕ
If x y, executes next program line;
if x<y, skips next program line.
= (y – b) m.
(x +
root of
1
( w )Returns

x )
i i
(<)
(>)
( )
Operation Index
Page
12–11 1
4–15 1
6–16 1
12–4 1
12–4
3–8
2–4
14–7
14–7
14–7
14–7
14–7
14–7
G-15