This Covers TI-85 and TI-86 BASIC

abs arg1

    Returns absolute value of a real number.

    

arc(arg1,arg2,arg3,arg4)

   Returns the length along function.
   
   

Circl(arg1,arg2,arg3)

    Draws a circle with center(arg1,arg2) and radius arg3

    arg1 = x value of center
    arg2 = y value of center
    arg3 = radius



ClDrw
    Instruction to clear drawing.



ClLCD
    Instruction to clear the display



Disp
    instruction to display text, a value, or the home screen

    Example 1:

    :Disp "HELLO"


    Example 2:

    :Disp x



DispG

    No arguments.

    Instruction to display the current graph

    
    
DrawDot

    No arguments
    Set dot graphing format.



Drawline
    No arguments
    set connected line graphing format.


    
    

DS<(arg1,arg2)

    decrement variable arg1 by 1, skip next command



End

    Used with If/Then and For to terminate.




Else

    Works with the If statement.



For

    For statement creates a value checked step type loop
    Use with End statement for end of loop.

    Example:

    :For(N,3,order,1)
    .....
    :End



getKy
    Instruction to check the keyboard for a keystroke








Goto 

    Use with Lbl (label) to point code flow.



If

    If statement performs a check

    Example:

    :If order=3
    :Input "CENTER: ",cen


    Example 2:

    :If order=3
    :Then
    :abs f0->gmax:gmax->bmi
    :End   






InpSt
    Instruction to enter and store a string during execution




Input 
    Instruction to enter and store values during execution.



IS>(




Lbl

   A place marker for th Goto statement to send code flow.




Menu



Outpt
    instruction to display text at a specified position on the 
    display and to communicate with CBL



Pause

    No arguments
    Suspend execution until ENTER is pressed.




Prompt
    Instruction to prompt for entry of values for one or more variables




PrtScrn
    Instruction to print the current screen on a printer connected 
    to an IBM-compatible or Macintosh computer



PtOn()

   Draw point at x and y




rand

   Creates a random number greater than zero and smaler than 1.



randM(arg1,arg2)

   Create a random integer between to numbers.



Repeat



Return

   Execute loop until condition is true.
   Use End for end of loop.



Stop

    Tells the code to stop running



Then

   words with the If stantement



While

    Creates a while loop that uses the End statment to close the loop.