HP 35s Scientific Calculator - Manual (Page 268)

16-22 Statistics Programs
You erred by entering 14 instead of 13 for x
3
. Undo your error by executing routine
U:
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:
S 
value
Prompts for the first x
i
.
 
value
Stores 5 in X; prompts for first f
i
.
 
 Stores 17 in F; displays the counter.
 
 Prompts for the second x
i
.
 

Prompts for second f
i
.
 

Displays the counter.
 
 Prompts for the third x
i
.
 

Prompts for the third f
i
.
 

Displays the counter.
U 

Removes the erroneous data;
displays the revised counter.
 

Prompts for new third x
i
.
 

Prompts for the new third f
i
.
 
 Displays the counter.
 

Prompts for the fourth x
i
.
 

Prompts for the fourth f
i
.