HP 17bII+ - Manual (Page 130)

130 10: Running Total and Statistics
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
deviation.
  Displays rest of CALC
menu.
  Finds smallest number.
Calculations with Two Variables (FRCST)
The FRCST menu does the following two-variable calculations using two
SUM lists:
„ Fits x- and y-data to a linear, logarithmic, exponential, or power
curve.
„ Forecasts estimated values based on that curve.
„ Finds the weighted mean and grouped standard deviation.
„ Shows you the summation statistics (
Σx, Σx 2 , Σy, Σy 2 , Σxy, etc.).