Microsoft Small Basic

Program Listing:

clockXRad = 200
clockYRad = 200
InitClockFace()
InitClockHands()
While "True"
  UpdateClockHands()
  Program.Delay(1000)
EndWhile

Sub InitClockFace
  width = GraphicsWindow.Width
  height = GraphicsWindow.Height
  GraphicsWindow.BackgroundColor = "Black"
  For g = 1 To 12
    angle = Math.GetRadians(g*360/12-90)
    x = width/2+clockXRad*Math.Cos(angle)
    y = height/2+clockYRad*Math.Sin(angle)
    numer = g
    denom = 12
    If Text.IsSubText(numer/6,".") = "False" Then
      denom = denom/6
      numer = numer/6
    EndIf
    If Text.IsSubText(numer/3,".") = "False" Then
      denom = denom/3
      numer = numer/3
    EndIf
    If Text.IsSubText(numer/2,".") = "False" Then
      denom = denom/2
      numer = numer/2
    EndIf
    If Text.IsSubText(numer/2,".") = "False" Then
      denom = denom/2
      numer = numer/2
    EndIf
    If denom = 1 And numer = 1 Then
      fraction = ""
      fontsize = 30
    Else
      fraction = numer+"/"+denom+" "
      fontsize = 12
    EndIf
    GraphicsWindow.FontSize = fontsize
    GraphicsWindow.BrushColor = GraphicsWindow.GetRandomColor()
    txt = Shapes.AddText(fraction+"π")
    Shapes.Move(txt,x-(Text.GetLength(fraction)+1)+fontsize/2,y-fontsize)
  EndFor
EndSub

Sub InitClockHands
  GraphicsWindow.PenColor = "Blue"
  GraphicsWindow.PenWidth = 1
  secondAngle = Math.GetRadians(Clock.Second*6-90)
  secondLength = ((clockXRad+clockYRad)/2)/2
  x[1] = width/2+secondLength*Math.Cos(secondAngle+Math.GetRadians(45))
  y[1] = height/2+secondLength*Math.Sin(secondAngle+Math.GetRadians(45))
  x[2] = x[1]+secondLength*Math.Cos(secondAngle+Math.GetRadians(-45))
  y[2] = y[1]+secondLength*Math.Sin(secondAngle+Math.GetRadians(-45))
  secondHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  secondHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  GraphicsWindow.PenColor = "Red"
  GraphicsWindow.PenWidth = 2
  minuteAngle = Math.GetRadians(Clock.Minute*6-90)
  minuteLength = ((clockXRad+clockYRad)/2)/3
  x[1] = width/2+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(30))
  y[1] = height/2+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(30))
  x[2] = x[1]+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(-30))
  y[2] = y[1]+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(-30))
  x[3] = x[2]+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(30))
  y[3] = y[2]+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(30))
  minuteHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  minuteHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  minuteHand[3] = Shapes.AddLine(x[2],y[2],x[3],y[3])
  GraphicsWindow.PenColor = "White"
  GraphicsWindow.PenWidth = 4
  hourAngle = Math.GetRadians(Clock.Hour*30-90)
  hourLength = ((clockXRad+clockYRad)/2)/4
  x[1] = width/2+hourLength*Math.Cos(hourAngle+Math.GetRadians(90/4))
  y[1] = height/2+hourLength*Math.Sin(hourAngle+Math.GetRadians(90/4))
  x[2] = x[1]+hourLength*Math.Cos(hourAngle+Math.GetRadians(-90/4))
  y[2] = y[1]+hourLength*Math.Sin(hourAngle+Math.GetRadians(-90/4))
  x[3] = x[2]+hourLength*Math.Cos(hourAngle+Math.GetRadians(90/4))
  y[3] = y[2]+hourLength*Math.Sin(hourAngle+Math.GetRadians(90/4))
  x[4] = x[3]+hourLength*Math.Cos(hourAngle+Math.GetRadians(-90/4))
  y[4] = y[3]+hourLength*Math.Sin(hourAngle+Math.GetRadians(-90/4))
  hourHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  hourHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  hourHand[3] = Shapes.AddLine(x[2],y[2],x[3],y[3])
  hourHand[4] = Shapes.AddLine(x[3],y[3],x[4],y[4])
EndSub

Sub UpdateClockHands
  GraphicsWindow.PenColor = "Blue"
  GraphicsWindow.PenWidth = 1
  secondAngle = Math.GetRadians(Clock.Second*6-90)
  x[1] = width/2+secondLength*Math.Cos(secondAngle+Math.GetRadians(45))
  y[1] = height/2+secondLength*Math.Sin(secondAngle+Math.GetRadians(45))
  x[2] = x[1]+secondLength*Math.Cos(secondAngle+Math.GetRadians(-45))
  y[2] = y[1]+secondLength*Math.Sin(secondAngle+Math.GetRadians(-45))
  For i = 1 To 2
    Shapes.Remove(secondHand[i])
  EndFor
  secondHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  secondHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  GraphicsWindow.PenColor = "Red"
  GraphicsWindow.PenWidth = 2
  minuteAngle = Math.GetRadians(Clock.Minute*6-90)
  x[1] = width/2+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(30))
  y[1] = height/2+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(30))
  x[2] = x[1]+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(-30))
  y[2] = y[1]+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(-30))
  x[3] = x[2]+minuteLength*Math.Cos(minuteAngle+Math.GetRadians(30))
  y[3] = y[2]+minuteLength*Math.Sin(minuteAngle+Math.GetRadians(30))
  For i = 1 To 3
    Shapes.Remove(minuteHand[i])
  EndFor
  minuteHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  minuteHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  minuteHand[3] = Shapes.AddLine(x[2],y[2],x[3],y[3])
  GraphicsWindow.PenColor = "White"
  GraphicsWindow.PenWidth = 4
  hourAngle = Math.GetRadians(Clock.Hour*30-90)
  x[1] = width/2+hourLength*Math.Cos(hourAngle+Math.GetRadians(90/4))
  y[1] = height/2+hourLength*Math.Sin(hourAngle+Math.GetRadians(90/4))
  x[2] = x[1]+hourLength*Math.Cos(hourAngle+Math.GetRadians(-90/4))
  y[2] = y[1]+hourLength*Math.Sin(hourAngle+Math.GetRadians(-90/4))
  x[3] = x[2]+hourLength*Math.Cos(hourAngle+Math.GetRadians(90/4))
  y[3] = y[2]+hourLength*Math.Sin(hourAngle+Math.GetRadians(90/4))
  x[4] = x[3]+hourLength*Math.Cos(hourAngle+Math.GetRadians(-90/4))
  y[4] = y[3]+hourLength*Math.Sin(hourAngle+Math.GetRadians(-90/4))
  For i = 1 To 4
    Shapes.Remove(hourHand[i])
  EndFor
  hourHand[1] = Shapes.AddLine(width/2,height/2,x[1],y[1])
  hourHand[2] = Shapes.AddLine(x[1],y[1],x[2],y[2])
  hourHand[3] = Shapes.AddLine(x[2],y[2],x[3],y[3])
  hourHand[4] = Shapes.AddLine(x[3],y[3],x[4],y[4])
EndSub