G–18 – HP 33s User Manual
Page 370

G–18
Operation Index
Name
Keys and Description
Page
¼
x
w
Returns weighted mean of x
values: (
Σy
i
x
i
)
÷ Σy
i
.
11–4 1
|
Displays the mean (arithmetic
average) menu.
11–4
x<> variable
| Z
x exchange.
Exchanges x with a variable.
3–6
x<>y
[
x exchange y.
Moves x to the Y–register and y to
the X–register.
2–4
{ n
Displays the "x?y" comparison
tests menu.
13–7
x
≠y
{ n
{
≠}
If x
≠y, executes next program line;
if x=y, skips next program line.
13–7
x
≤y?
{ n
{
≤}
If x
≤y, executes next program line;
if x
>y, skips next program line.
13–7
x<y?
{ n
{<}
If x<y, executes next program line;
if x
≥y, skips next program line.
13–7
x>y?
{ n
{>}
If x>y, executes next program line;
if x
≤y, skips next program line.
13–7
x
≥y?
{ n
{
≥}
If x
≥y, executes next program line;
if x<y, skips next program line.
13–7
x=y?
{ n
{/}
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