Napier's Local Arithmetic Board | STEM Montessori Math Learning Tool Roman game This is our own copyrighted

This is our own copyrighted design made at our Florida shop

not a brain teaser

or step up to our high-end puzzle boxes for a harder challenge

and some never finish

The material is layered

Napier's Local Arithmetic Board | STEM Montessori Math Learning Tool Roman game This is our own copyrightedJohn Napier was a brilliant Scottish mathematician who lived from 1550 to 1617. He developed a number of methods to simplify mathematic operations most notably logarithms but also some calculation tools like Napiers Bones and this Local Arithmetic Board. This board will allow the calculation of 2 numbers, though each number must be less than 512. It's an amazing thing to use this board and get a sense of the history as well as the mathematics behind