# Order of Operation Example TI84

JoeStat’s want you to calculate the following equation.

#### Order of Operations

Highest Parenthesis Brackets
High Exponents Roots
Low Multiplication Division

#### Hint:

Solving the equation using a (TI83, TI84, TI89) calculator:  First convert the equation into something easy to enter into the calculator.
Original:

Step 1: Reformat fractions to one line

Step 2: Reformat Radicals with parenthesis and brackets

Step 3: Entering the equation into the calculator

• | [ ( ] | [ (-) ] | [ 9 ] |

• | [2nd] | [X^2] | [ 4 ] | [ + ] | [ 3 ] | [ ^ ] | [ 2 ] | [ ) ] |

• | [  / ] | [ ( ] | [ 1 ] | [ 5 ] | [ – ] | [ ( ] | [ 3 ] | [ + ] | [ 2] | [ ) ] | [ * ] | [ 5 ] | [ ) ] |

Solution:

Solving the equation by hand:

Step 1: If you have problems dealing with fractions, or have already input the solution to into a calculator reformat it to:

Step 2:

1.  If you have problems dealing with fractions, or have already input the solution to into a calculator reformat it to:
2. Calculate the inner-most nested parenthesis

3. Calculate net inner-most nested parenthesis

4. Calculate next inner-most nested parenthesis

5. Calculate next inner-most nexted parenthesis

6. Finish the problem