Mathematics Inventions

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Solution for High School maths.

Complete Maths Text book is solved with voice explanation. Only for higher classes.
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I have sold my invention, the (Samson) Electron Battery Accelerator due to the listing on IdeaConnection. Thanks, was a great place for exposure to the public!
– Ken F.

Thanks IdeaConnection!
My Egg Cracker invention is now under licence in the United States, thanks to my listing on your inventions page.
– John O.