HOW TO ENTER A PIECEWISE-DEFINED FUNCTION ON TI83 CALCULATOR

Example: |
||

Steps |
Key Sequence |
Screens |

1. Start Equation Editor | Press Y= key | |

2. Input First Part of Function in Parentheses | ||

3. Input Condition for First Part of Function in Parentheses | Type left parenthesis, then X key | |

Press 2^{nd}, then MATH (for Test) |
||

Select appropriate test by pressing the number next to the test | ||

Input endpoint and right parenthesis | ||

NOTE: For compound inequalities, 1 ≤ x ≤ 3, you will need to type
the condition in two parts exactly as follows: (1 ≤ x and x ≤ 3). The function
'and' is found in the catalog (2^{nd} then 0). |
||

4. Add the Parts Together | Press + key | |

5. Input Next Part | Follow steps #2 and 3 | |

6. Change Style of Graph | Press MODE key | |

Use arrow keys to move cursor to Dot, Press ENTER | ||

7. Graph | Press GRAPH key |