5/20/2018 TI 89 User Defined Functions & Menus

1/9

1/23/

Lecture 5 TI89 User-DefinedFunctions, Custom Menus

EGR1302

Auto-aste

TI-89 Cut, Copy, Paste1-2

5/20/2018 TI 89 User Defined Functions & Menus

2/9

1/23/

Cutor

TI-89 Cut, Copy, Paste1-2

Copy

Paste

TI-89 Cut, Copy, Paste1-2

5/20/2018 TI 89 User Defined Functions & Menus

3/9

1/23/

User-defined functions

TI-89 Function Programming1-2

Two arguments

Three methods

TI-89 Function Programming1-2

.

2. Use Define function

5/20/2018 TI 89 User Defined Functions & Menus

4/9

1/23/

3. Use Program Editor

TI-89 Function Programming1-2

3. Use Program Editor

TI-89 Function Programming1-2

5/20/2018 TI 89 User Defined Functions & Menus

5/9

1/23/

3. Use Program Editor

TI-89 Function Programming1-2

How would youprogram thexroot(x,y)function?

Custom Menu1-2

Turn on& off

5/20/2018 TI 89 User Defined Functions & Menus

6/9

1/23/

Custom Menu1-2

Restoring the Default Custom Menu

Custom Menu1-2

Two methods

1. Use default custom menu & modif it

5/20/2018 TI 89 User Defined Functions & Menus

7/9

1/23/

Custom Menu1-2

Two methods

1. Use default custom menu & modif it

Custom Menu1-2

1. Use default custom menu & modify it

Restore default custom menu

Copy default custom menus code

Press key / [Copy]

Create a Program EGR1302

Press Apps key / 7: Program Editor

3: New

Type 1: Program

Variableegr1302/ Press Enter 2x

Use down arrow to place cursor on blank line

Paste default custom menus code

Press key / [Paste]

Modify F1

5/20/2018 TI 89 User Defined Functions & Menus

8/9

1/23/

Custom Menu1-2

1. Use default custom menu & modify it

Create a Program EGR1302 (cont)

When completed with modifications, pressHOME key

Run EGR1302 program by typingEGR1302() in command line /pressEnter

Press 2nd key / [Custom]

Verify that changes appear in your CustomMenu

Custom Menu1-2

2. Create your own

5/20/2018 TI 89 User Defined Functions & Menus

9/9

1/23/

Custom Menu1-2

2. Create your own

References1. Texas Instruments, Inc. TI-89, TI-92 Plus

Guidebook for Advanced Mathematics, Software

. . .

2. Texas Instruments, Inc. TI-89 Titanium GraphingCalculator. 2005.