VERSION 5.00
Begin VB.Form Form1 
   BackColor       =   &H00C0FFFF&
   Caption         =   "Form1"
   ClientHeight    =   7845
   ClientLeft      =   60
   ClientTop       =   390
   ClientWidth     =   11025
   LinkTopic       =   "Form1"
   ScaleHeight     =   7845
   ScaleWidth      =   11025
   StartUpPosition =   3  'Windows Default
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False


Private Sub Form_Load()
Show
ZOrder (0)
Scale (-0.5, 40)-(5.5, 0)
SetFocus

Cls
Form1.CurrentY = 35
Print "Plot of `Leaky Tank "
Print
x = 0
u = 20

Print "Initial level = 0 "
Print "Input U =20"

k = 0.5
dt = 0.01      'Edit to try various values of steplength dt


Do
   x = x + (-k * x + u) * dt      'This is the simulation
   t = t + dt
   PSet (t, x)                    'This displays the result as dots
Loop Until t > 5


End Sub