Texas Instruments TI-84 - Manual (Page 494)

Chapter 17: Activities 491
Using a Program to Guess the Coefficients Using a Program to Guess the Coefficients Using a Program to Guess the Coefficients Using a Program to Guess the Coefficients
Setting Up the Program Setting Up the Program Setting Up the Program Setting Up the Program
This program graphs the function A sin(BX) with random integer coefficients between 1
and 10. Try to guess the coefficients and graph your guess as C sin(DX). The program
continues until your guess is correct.
Program Program Program Program
PROGRAM:GUESS
:PlotsOff :Func
:FnOff :Radian
:ClrHome
:"Asin(BX)"
!Y1
:"Csin(DX)"
!Y2
Define equations.
:GraphStyle(1,1)
:GraphStyle(2,5)
Set line and path graph styles.
:FnOff 2
:randInt(1,10)
!A
:randInt(1,10)
!B
:0
!C:0!D
Initialize coefficients.