## Test Prep Wizards Calculator Programs

Disclaimer: By downloading any of these programs you agree to the following conditions

- You will not sell the programs nor profit off the programs without Test Prep Wizards written consent.
- You may freely distribute the program so long as you do not change anything other than the program’s name.
- You assume all risk for using the programs, and we do not guarantee the program has been fully tested on all calculators.
- You may change the code for your own individual use only.

### System of Linear Equations Solver

Description: This program will solve a simple linear system of equations for the point of intersection. This program is useful on the SAT, ACT, and academic Algebra classes.

It will NOT tell you whether there is no solution (parallel lines) or infinite solutions (same line).

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### Midpoints

Description: This program give you the midpoint of two endpoint in the x-y plane or find the endpoint of a segment given an endpoint and the midpoint.

Calculator: Any TI-84 edition.

Useful for ACT, Academics (Geometry, Algebra).

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### Law of Sine and Cosine

Description: This program will solve a triangle using the Law of Sine and Law of Cosine.

Calculator: Any TI-84 edition.

Useful for ACT, Academics (Geometry, Precalculus).

NOTE: Since this was created for the ACT, it will not solve for a second triangle, if one exists.

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### Standard form of a Circle to Center-Radius Form

Description: This program will take a circle in standard form, Ax^2+Bx+Ay^2+Dy+E=0, and give you the center, (h, k), and radius, r.

Calculator: Any TI-84 edition.

Useful for SAT, Academics (Geometry, Algebra 2, Precalculus).