HP 33s - Manual (Page 279)

Statistics Programs 16–19
Program Lines:
(In ALG mode)
Description

  ! -1L2  Updates ¦
i i
f x 2
in register 31.


  

 ! -  Increments (or decrements) N.

  

  

 

 !  

 #$  Displays current number of data pairs.


!   Goes to label I for next data input.
Checksum and length: 3080 117

 Calculates statistics for grouped data.

Uº Grouped standard deviation.

 !  

#$  Displays grouped standard deviation.

 º  Weighted mean.

 ! 

#$ Displays weighted mean.

!  Goes back for more points.
Checksum and length: 7246 24
"
"  Undo data–entry error.
"
.  Enters decrement for N.
"
 !  
"
   Recalls last data frequency input.
"
-+.  Changes sign of f
i
.
"
 !  
"
!   Adjusts count and summations.
Checksum and length: E469 33
Flags Used:
None.