HP 33s User Manual page 244

Program Listing:
Program Lines:
(In RPN mode)
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15–22
Mathematics Programs
Defines the beginning of the polynomial root finder
routine.
Prompts for and stores the order of the polynomial.
Uses order as loop counter.
Starts prompting routine.
Prompts for a coefficient.
Counts down the input loop.
Repeats until done.
Uses order to select root finding routine.
Starts root finding routine.
Evaluates polynomials using Horner's method, and
synthetically reduces the order of the polynomial using
the root.
Uses pointer to polynomial as index.
Starting value for Horner's method.
Starts the Horner's method loop.
Saves synthetic division coefficient.
Multiplies current sum by next power of x.
Adds new coefficient.
Counts down the loop.
Repeats until done.
Starts solver setup routine.
Stores location of coefficients to use.
Description