HP 33s - Manual (Page 281)

Statistics Programs 16–21
Group 1 2 3 4 5 6
x
i
5 8 13 15 22 37
f
i
17 26 37 43 73 115
Keys:
(In ALG mode)
Display: Description:
X S %@
value Prompts for the first x
i
.
5 g
@
value Stores 5 in X; prompts for first f
i
.
17 g
/
)
 Stores 17 in F; displays the
counter.
g
%@
)
 Prompts for the second x
i
.
8 g
@

)
 Prompts for second f
i
.
26 g
/
)
 Displays the counter.
g
%@
)
 Prompts for the third x
i
.
14 g
@
 )
 Prompts for the third f
i
.
37 g
/
)
 Displays the counter.
You erred by entering 14 instead of 13 for x
3
. Undo your error by executing
routine U:
X U /
)
 Removes the erroneous data;
displays the revised counter.
g
%@
)
 Prompts for new third x
i
.
13 g
@

)
 Prompts for the new third f
i
.
g
/
)

Displays the counter.