Operation Index G–19
Name Keys and Description Page ¼
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 line.
13–7
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 next program line.
13–7
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 next program lire:
13–7
|
{
¸
}
Returns the mean of y values.
Σ
y
i
÷
n.
11–4 1
ˆ
|
{
¸
ˆ
}
Given an x–value in the
X–register, returns the y–estimate
based on the regression line:
ˆ
= mx + b.
11–10 1
y,x
θ
,r
{r
Rectangular to polar
coordinates. Converts (x, y) to (r,
θ
).
4–10
