Doctor X Multiplication Contraption
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copyright (c) gordon anderson 2012
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Dear Mums and Dads, hope you and your gifted child are enjoying the Doctor X m@th eXperience. Your generous donation will help fund the development of more innovative features and learning materials for smart kids all over the world.

Thank you so much for your support ! We love to hear about how you're using the Doctor X Multiplication Contraption, and what youd like to see in future versions. regards Doctor X