screen shots show the RPN stack before and after the application of ZEROS to the two examples above (Use Complex mode in the CAS):

The Symbolic Solver functions presented above produce solutions to rational equations (mainly, polynomial equations). If the equation to be solved for has all numerical coefficients, a numerical solution is possible through the use of the Numerical Solver features of the calculator.

Numerical solver menu

The calculator provides a very powerful environment for the solution of single algebraic or transcendental equations. To access this environment we start the numerical solver (NUM.SLV) by using ‚Ï. This produces a drop-down menu that includes the following options:

Following, we present applications of items 3. Solve poly.., 5. Solve finance, and 1. Solve equation.., in that order. Appendix 1-A, in the calculator’s user’s guide, contains instructions on how to use input forms

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HP 50g manual Numerical solver menu