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.