Note:  This help page is intended to SUPPLEMENT the program's manual and/or Help menu.

Note: There are a lot of graphics on this page, so it may take a little while to load.  Thanks for your patience.

This page will show you how to do each of the following on the TI-73 graphing calculator, step by step.

[Clearing the Home screen] [Returning to the Home screen] [Setting the mode to mannually simplify fractions] [Setting the mode to display all fractions in the form b/c] [Setting the mode to display all fractions in the form A b/c] [Setting the mode to Float] [Entering Exponents] [Entering a Fraction] [Entering a Mixed Number] [Converting between an Improper Fraction and a Mixed Number] [Converting between a Fraction and a Decimal] [Using the Integer Divide function] [Entering Data into a List] [Deleting a Data Entry from a List] [Clearing an entire List] [Setting up a Stat Plot:  Bar Graph] [Graphing a Stat Plot]

CLEARING THE HOME SCREEN:

• While in the Home screen, simply press 

RETURNING TO THE HOME SCREEN:

• Press , [QUIT]

SETTING THE MODE TO MANUALLY SIMPLIFY FRACTIONS:

Press  Use the arrows to move down and over to Mansimp Press

SETTING THE MODE TO DISPLAY ALL FRACTIONS IN THE FORM B/C:
 

Press  Use the arrows to move down and over to b/c Press

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SETTING THE MODE TO DISPLAY ALL FRACTIONS IN THE FORM A B/C:
 

Press  Use the arrows to move down and over to A b/c Press

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SETTING THE MODE TO FLOAT:
 

Press  Use the arrows to move down to Float Press

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ENTERING EXPONENTS:

1. Type in base
2. Press 
3. Type in exponent

1.

2.

3.

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ENTERING A FRACTION:

1. Type in the numerator
2. Press 
3. Type in the denominator
4. Press 

1.

2.

3.

4.

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ENTERING A MIXED NUMBER:

1. Type in the whole number
2. Press 
3. Type in the numerator
4. Press 
5. Type in the denominator
6. Press 

1.

2.

3-4.

5.

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CONVERTING BETWEEN AN IMPROPER FRACTION AND A MIXED NUMBER:

1. Type in an improper fraction (or mixed number)
2. Press 
3. Press 

Improper Fraction to Mixed Number:  (if in  mode)

1.

2.

3.

Mixed Number to Improper Fraction: (if in  mode)

1.

2.

3.

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CONVERTING BETWEEN A FRACTION AND A DECIMAL:

1. Type in a fraction (or decimal)
2. Press 
3. Press 

1.

2.

3.

Decimal to Fraction:

1.

2.

3.

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USING THE INTEGER DIVIDE FUNCTION:

1. Type in the dividend
2. Press  [INT]
3. Type in the divisor
4. Press 

1.

2.

3.

4.

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ENTERING DATA INTO A LIST:

1. Press 
2. Type in a data entry
3. Press 
4. Repeat Steps 2 - 3 until all data has been entered

1.

2.

3.

4.

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DELETING A DATA ENTRY FROM A LIST:

1. Press 
2. Move over to the desired list
3. Move down to the desired data entry
4. Press 

1.

2.

3.

4.

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CLEARING AN ENTIRE LIST:

1. Press 
2. Move over to the desired list
3. Move up onto the list name
4. Press 
5. Press 

1.

2.

3.

4-5.

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1. Enter all the data into (at least) 2 lists  (See above for help.)
2. Press  [PLOT]
3. Select 1, 2 or 3
4. Move cursor on ON and press 
5. Move cursor down
6. Move cursor to the right on  and press 
7. Move cursor down to CategList:
8. Enter the desired list for the bar graph's category (If it is not already listed, then you will need to press  [STAT] and select the desired list.)
9. Move cursor down to DataList1:
10. Enter the desired list for the bar graph's data (If it is not already listed, then you will need to press  [STAT] and select the desired list.)
11. Repeat Step 10 if you want more than one data list in the bar graph (DataList2: and/or DataList3:)
12. Move down to Vert Hor
13. Move cursor on Vert if you want a vertical bar graph OR on Hor if you want a horizontal bar graph, and press 
14. Move cursor on 1 if you have only one data list, on 2 if you have two data lists, OR 3 if you have 3 data lists

2.

3.

4.

6.

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GRAPHING A STAT PLOT:

1. Set up the Stat Plot  (See above for help.)
2. Press 
3. Select 7:ZoomStat

.

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