Formula plotting-arithmetic cartoons

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I defined special cartoons useful for study of arithmetics:

  • addition_cartoon (and also a non-cartoon addition)
  • subtraction_cartoon (and also a non-cartoon subtraction)

These cartoons show the process of adding and subtracting decimal numbers from the standpoint of arithmetics (performing addition digit by digit).


Examples:

 addition_cartoon( 2.345, 778.1 )    <-- shows addition of two numbrs as cartoon
 subtraction( 2.345, 778.1 )         <-- shows the result of subtraction of numbers (NOT cartoon)