HP 33S - Page 369

Operation Index
G–19
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
Name Keys and Description Page 
x
≤
0
?
º 
{
≤
}
If x
≤
0, executes next program line;
if x>0, skips next program line.
13–7
x<0
?
º 
{<}
If x<0, executes next program
line;
if x
≥
0, skips the next program line.
13–7
x>0
?
º 
{>}
If x>0, executes next program
line;
if x
≤
0, skips the next program line.
13–7
x
≥
0
?
º 
{
≥
}
If x
≥
0, executes next program line;
if x<0, skips the next program
line.
13–7
x=0
?
º 
{=}
If x=0, executes next program
line;
if x
≠
0, skips next program lire:
13–7
y
º (
{

}
Returns the mean of y values.
Σ
y
i
÷
n.
11–4 1
y
ˆ
º %
{

ˆ
}
Given an x–value in the
X–register, returns the y–estimate
based on the regression line:
y
ˆ
= m x + b.
11–11 1
y,x

θ
,r
¹ °
Rectangular to polar
coordinates. Converts (x, y) to (r,
θ
).
4–10
y
x
)
Power.
Returns y raised to the x
th
power.
4–2 1
