HP 33s - Manual (Page 246)

15–24 Mathematics Programs
Program Lines:
(In RPN mode)
Description
 !
Checksum and length: B9A7 81

   Starts second–order solution routine.

   Gets L.

   Gets M.

 ! ! Calculates and displays two roots.
Checksum and length: DE6F 12

   Starts third–order solution routine.

  Indicates cubic polynomial to be solved.

 %  Solves for one real root and puts a
0
and a
1
for
second–order polynomial on stack.

 ¶ Discards polynomial function value.

 %  Solves remaining second–order polynomial and stores
roots.

#$ % Displays real root of cubic.

!  Displays remaining roots.
Checksum and length: 7A4B 33

   Starts fifth–order solution routine.

  Indicates fifth–order polynomial to be solved.

 %  Solves for one real root and puts three synthetic
division coefficients for fourth–order polynomial on
stack.

 ¶ Discards polynomial function value.

 !  Stores coefficient.

¶

!  Stores coefficient.

¶

!  Stores coefficient.


 

 - % Calculates a
3
.

 !  Stores a
3
.

 #$ % Displays real root of fifth–order polynomial.