WHAT
WHY
HOW

Did you click on the WHAT-WHY-HOW buttons? Time to tell that BIG NUMBER WORKSHOP was proposed by Spatiotempora. Please visit the website to learn more.

The woodcut of a big number workshop is from "Ain new geordnet Rechenbüchlein auf den linien mit Rechenpfenningen" by Jacob Köbel, 1516.

Rechenpfenningen or reckoning pennies or jettons were coins of no monetary value used only for counter casting.

BIG NUMBER WORKSHOP is expected to work for you. If it hasn't, please write to

to make STEM subjects learnable and their students teachable.

Get the text.
Patent pending
© 2016 Georgiy Kuznetsov

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