Program Lines:

 

Description

(In RPN mode)

 

 

!!

 

 

!¸%

 

 

!º!

Calculates Y= B(XM).



!!

Returns to the calling routine.

Checksum and length: 018C

18

  

This subroutine calculates xˆ for the power model.



!. L

Restores index value to its original value.

  &

 

 

 ª 

 

 

  

 

 



+º

Calculates xˆ = (Y/B) 1/M

 ¸%

 !

Returns to the calling routine.

Checksum and length: 3040

24

Flags Used:

Flag 0 is set if a natural log is required of the X input. Flag 1 is set if a natural log is required of the Y input.

Program instructions:

1.Key in the program routines; press ‡when done.

2.Press Xand select the type of curve you wish to fit by pressing:

„S for a straight line;

„L for a logarithmic curve;

„E for an exponential curve; or

„P for a power curve.

3.Key in x–value and press g.

4.Key in y–value and press g.

Statistics Programs 16–7