How to Use Solver on a TI 83/TI 84

Last Updated: September 16, 2021

The TI-83/TI-84 calculator is an essential tool for any student in a math or science course. Solving for unknown variables is a common problem that students may run across while taking these courses. This manual tells you how to utilize your calculator to solve for unknown variables. If you are at least at an intermediate level in algebra, can understand the math behind this calculation, and are somewhat familiar with the TI-83/TI-84 calculators, get started at step 1, below.

Steps

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For complex problems that route may not be straightforward and solver would be the best way to go.
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2
Write the equation you want to solve on a piece of paper.
- Sample equation: 7x^4 + 2x^3 – 5x + 2 = 43 + 3x.
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You are now ready to solve for x using solver.
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7
Type in the equation (the other side without the “0”) as it appears onto the calculator. Warning: read proceeding sections in this step before attempting.
- To type in X use the “X,T,Ø,n” button.
- To type in powers of numbers use the “^” button followed by the number of the power.
- Complete the rest of this equation and press “Enter”.
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The number for “X=” should change to the answer of the unknown variable.

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Try to solve without using solver to see if your answer matches the solver method.

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Warnings

Be careful when writing the equation in the calculator, check if all of the powers and signs are in the right locations.

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The "parenthesis" button can be used to separate variables. This tool can be useful when equations become very complex.

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How to Use Solver on a TI 83/TI 84

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