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F–14 Operation Index
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Name Keys and Description Page
returns the x–estimate based on the
regression line:
x
ˆ
= (y – b)
÷
m.
x!
z
1
Factorial (or gamma).
Returns (x)(x – 1) ... (2)(1), or
Γ
(x +
1).
4–11 1
X ROOT
z
.
The argument
1
root of
argument
2
.
6–17 2
x
w Returns weighted mean of x values:
(
Σ
y
i
x
i
)
÷
Σ
y
i
.
11–4 1
{
/
Displays the mean (arithmetic
average) menu.
11–4
x<> variable
{
Y
x exchange.
Exchanges x with a variable.
3–6
x<>y
Z
x exchange y.
Moves x to the Y–register and y to the
X–register.
2–4
z
l
Displays the "x
?
y" comparison tests
menu.
13–8
x
≠
y
z
l
{
≠
}
If x
≠
y, executes next program line;
if x=y, skips the next program line.
13–8
x
≤
y
?
z
l
{
≤
}
If x
≤
y, executes next program line;
if x
>
y, skips next program line,
13–8
x<y
?
z
l
{<}
If x<y, executes next program line;
if x
≥
y, skips next program line.
13–8
x>y
?
z
l
{>}
If x>y, executes next program line;
if x
≤
y, skips next program line.
13–8
x
≥
y
?
z
l
{
≥
}
If x
≥
y, executes next program line;
if x<y, skips the next program line.
13–8
x=y
?
z
l
{
/
}
If x=y, executes next program line;
if x
≠
y, skips next program line.
13–8
{
n
Displays the "x
?
0" comparison tests 13–8