HP 33S, Руководство пользователя

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G–18
Operation Index
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Name Keys and Description Page
x
w Returns weighted mean of x
values: (
Σ
y
i
x
i
)
÷ Σ
y
i
.
11–4 1
º (
Displays the mean (arithmetic
average) menu. 11–4
x <> variable
º v
x exchange .
Exchanges x with a variable.
3–6
x <> y
w
x exchange y .
Moves x to the Y–register and y to
the X–register.
2–4
¹ ¬
Displays the " x
?
y " comparison
tests menu.
13–7
x
≠
y
¹ ¬
{
≠
}
If x
≠
y , executes next program line;
if x=y, skips next program line.
13–7
x
≤
y
?
¹ ¬
{
≤
}
If x
≤
y , executes next program line;
if x
>
y , skips next program line.
13–7
x < y
?
¹ ¬
{<}
If x < y , executes next program line;
if x
≥
y , skips next program line.
13–7
x > y
?
¹ ¬
{>}
If x > y , executes next program line;
if x
≤
y , skips next program line.
13–7
x
≥
y
?
¹ ¬
{
≥
}
If x
≥
y , executes next program line;
if x < y , skips next program line.
13–7
x = y
?
¹ ¬
{  }
If x = y , executes next program line;
if x
≠
y , skips next program line.
13–7
º 
Displays the " x
?
0" comparison
tests menu.
13–7