HP 33s User Manual page 371

Name
x 0 ?
x 0 ?
x<0 ?
x>0 ?
x 0 ?
x=0 ?
y
y ˆ
y,x ,r
Keys and Description
º 
{ }
If x 0, executes next program line;
if x=0, skips the next program
line.
º 
{ }
If x 0, executes next program line;
if x>0, skips next program line.
º 
{<}
If x<0, executes next program
line;
if x 0, skips next program line.
º 
{>}
If x>0, executes next program
line;
if x 0, skips next program line.
º 
{ }
If x 0, executes next program line;
if x<0, skips next program line.
º 
{=}
If x=0, executes next program
line;
if x 0, skips next program lire:
º (

{ }
Returns the mean of y values.
y n.
i
 ˆ
º %
{ }
Given an x–value in the
X–register, returns the y–estimate
based on the regression line:
= m x + b.
¹ °
Rectangular to polar
coordinates. Converts (x, y) to (r,
).
Page
13–7
13–7
13–7
13–7
13–7
13–7
11–4
11–10
y ˆ
4–10
Operation Index
1
1
G–19