HP 35s Scientific Calculator - Manual (Page 266)

16-20 Statistics Programs
 
Updates in register -30.
  
  
Increments (or decrements) N.
  
  
 
  
  
Displays current number of data pairs.
   Goes to label line numberI for next data input.
Checksum and length: F6CB 84
   Calculates statistics for grouped data.
  Grouped standard deviation.
  
  
Displays grouped standard deviation.
 Weighted mean.
  
  
Displays weighted mean.
   Goes back for more points.
Checksum and length: DAF2 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: 03F4 23
Program Lines:
(In ALG mode)
Description
∑
i i
f x 2
