Differential Equations (MU-18)



Step   Procedure                Enter     Press      Display
 1     Initialize                         RST        0.
 2     Enter LRN Mode                     LRN        000 00
 3     Use A' as Label                    2nd LBL
                                          2nd A'
 4     Enter f(x,y) or f(x,y,y') as 
       keystrokes. Don't use CLR or =. 
       Use R10 for x, R11 for y, R12 for y'
 5     End with INV SBR
 6     Exit LRN Mode                      LRN
 7     Select program                     2nd Pgm 18
 8a    Enter initial x            x0      A           x0
 8b    Enter initial y            y0      B           y0
 8c    Enter initial y'           y'0     C           y'0
 9     Enter number of divisions  n       D           n
                                  _                   _
 10    Solve y'=f(x,y)            x       E           y
                                  _                   _
 11a   Solve y''=f(x,y,y')        x       2nd E'      y
                        _                             _
 11b   Display slope at x                 x<->t       y'