Crayon Spread Sheet with No Undo

I love restaurants that provide crayons and paper table covers. I prefer this to Microsoft Excel even if the math is less accurate and there is no undo.
As president of Tracy Evans Productions, Inc. for over 18 years Tracy splits his time between being an animator, director, producer, stage magician, graphic designer, art director, programmer, editor, consultant, speaker and writer of third-person autobiographical blurbs.

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