GPA for TI-83

Turn on your TI-83 (or above) computer on.  Press the PRGM button, press the ► button until NEW is selected, press ENTER.  Type in GPA by pressing TAN, 8, and MATH, and press ENTER.  Input the following on your screen exactly:

:ClrHome:Disp "*     To insert commands such as ClrHome or
**************",     Disp press PRGM and search for the
"* GRADE POINT *     commands using ▲,►,▼,and◄, then press
","*   AVERAGE       enter.
 *","***********     To insert spaces press ALPHA and 0.
****","   CREATE
D BY   "," DOUGL
AS THRIFT ":Paus
e
:ClrHome:Disp ""
,"NUMBER OF A'S"     To insert ' press 2nd,MATRIX, and 2.
:Input A
:Disp "NUMBER OF
B'S"
:Input B
:Disp "NUMBER OF
 C'S"
:Input C:ClrHome
:Disp "":Disp "N
UMBER OF D'S"
:Input D
:Disp "NUMBER OF
 F'S"
:Input F
:Disp "AP OR HON
ORS"
:Input X
:4A+3B+2C+D→Θ        To insert → press STO→.  To insert Θ
:A+B+C+D+F→n         press ALPHA and 3.  To insert n press
:Θ/n→U               2nd, 0, LOG, and ENTER.
:(Θ+X)/n→W
:Fix 2               To insert Fix 2 press MODE and find 2
:ClrHome             using ▲,►,▼,and◄ and press ENTER.
:Disp U,"      
AP/HONORS","   
  UNWEIGHTED",""
:Disp W,"      
AP/HONORS","   
    WEIGHTED"
:Pause
:ClrHome
:Disp "+++++++++
++++++":Disp "+U
=     W=    +":O     To insert = press 2nd, MATH, and ENTER.
utput(2,4,U):Out
put(2,11,W):Floa     To insert Float press MODE and find
t:Disp "++++++++     Float using ▲,►,▼,and◄ and press ENTER.
+++++++"

Press 2nd and MODE to save the program.

To use GPA for TI-83 press PRGM.  Use ▼and▲ to find GPA and press ENTER two times.  The title screen should appear:

***************
* GRADE POINT *
*   AVERAGE   *
***************
   CREATED BY
 DOUGLAS THRIFT

Press ENTER.  Input the requested number and press ENTER, until the following screen appears:

            4.00
       AP/HONORS
      UNWEIGHTED

            5.00
       AP/HONORS
        WEIGHTED

Press ENTER to finish.  The following screen will appear:

+++++++++++++++
+U=4.00 W=5.00+
+++++++++++++++
            Done

The program is complete.  If anything is not working properly press PRGM.  Select EDIT using the ► button.  Use ▼and▲ to find GPA and press ENTER.  Make sure you have input the program exactly as above.  If this does not help, e-mail me at dthrift@villanovaprep.org.