Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 321

:"Asin(BX)"!Y1
:"Csin(DX)"!Y2
:GraphStyle(1,1)
:GraphStyle(2,5)
:FnOff 2
:randInt(1,10)!A
:randInt(1,10)!B
:0!C:0!D
:L2p!Xmin
:2p!Xmax
:pà2!Xscl
:L10!Ymin
:10!Ymax
:1!Yscl
:DispGraph
:Pause
:FnOn 2
:Lbl Z
:Prompt C,D
:DispGraph
:Pause
:If C=A
:Text(1,1,"C IS OK")
:If CƒA
:Text(1,1,"C IS
WRONG")
:If D=B
:Text(1,50,"D IS OK")
:If DƒB
:Text(1,50,"D IS
WRONG")
:DispGraph
:Pause
:If C=A and D=B
:Stop
:Goto Z
: The Guess My Coefficients App is an educational game that challenges you to enter the
Note
correct coeffiecients for graphs of linear, quadratic and absolute value functions. This app is
available at education.ti.com.
Define equations.
Set line and path graph styles.
Initialize coefficients.
Set viewing window.
Display graph.
Prompt for guess.
Display graph.
Display results.
Display graph.
Quit if guesses are correct.
Chapter 17: Activities 314