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calculator by mochamochi 

Shoes.app :width => 340, :height => 420 do
  flow :width => 320 do
  
   # Layout   
   @title = title ( "Calculator" )
   @edit_line = edit_line
   @one = button "1"
   @two = button "2"
   @three = button "3"
   @plus = button "+"
   @four = button "4"
   @five = button "5"
   @six = button "6"
   @minus = button "-"
   @seven = button "7"
   @eight = button "8"
   @nine = button "9" 
   @times = button "*"  
   @zero = button "0"
   @decimal = button "."
   @divide = button "/"
   @delete = button "DEL"
   @equals = button "="

    # Parameters
    @title.style :width => 80, :height => 50, :stroke => darkmagenta, :size => 40
    @edit_line.style :width => 320, :height => 70
    @one.style :width => 80, :height => 50
    @two.style :width => 80, :height => 50
    @three.style :width => 80, :height => 50
    @plus.style :width => 80, :height => 50
    @four.style :width => 80, :height => 50
    @five.style :width => 80, :height => 50
    @six.style :width => 80, :height => 50
    @minus.style :width => 80, :height => 50
    @seven.style :width => 80, :height => 50
    @eight.style :width => 80, :height => 50
    @nine.style :width => 80, :height => 50
    @times.style :width => 80, :height => 50
    @zero.style :width => 160, :height => 50
    @decimal.style :width => 80, :height => 50
    @divide.style :width => 80, :height => 50
    @delete.style :width => 160, :height => 50
    @equals.style :width => 160, :height => 50
    
    # Function
    @one.click { para "1" }
    @two.click { para "2" }
    @three.click { para "3" }
    @plus.click { para "+" }
    @four.click { para "4" }
    @five.click { para "5" }
    @six.click { para "6" }
    @minus.click { para "-" }
    @seven.click { para "7" }
    @eight.click { para "8" }
    @nine.click { para "9" }
    @times.click { para "*" }
    @zero.click { para "0" }
    @decimal.click { para "." }
    @divide.click { para "/" }
    @equals.click { para "=" }
   end
  end