 |
Napier's Bones
|
|
| Featured Item |
|
|
Napier's Bones was designed in 1617 by John Napier a Scottish Mathematician. In its day it was a wonderous device that simplified complex multiplication and other math processes such as long division and square roots. It was essentially the first calculator and was in common use for nearly 3 centuries. This is something I find wonderfully elegant in understanding and explaining ho...
Learn More+
|
|
|
|
|
|
|
|
|
|
|
|
|
4x4x3 Mixup Plus - Black Body
|
|
|
|
|
|
Scramble Squares - Vintage Airplanes
|
|
|
|
|
|
|
Floor Puzzle: Map of the USA
|
|
|
|
|
|
|
|
|
|
|
Evgeniy AI Assymetric-5 Bandaged 5x5x5 - Black Body
|
|
|
|
|
|
|
Full Rainbow Oval Mini Car Magnet - LGBT Gay and Lesbian Pride Decal
|
|
|
|
|
|
|
|
|
Men's Titanium Wedding Band (8mm). Gold Tone with Brown, Green and Tan Camouflage Carbon Fiber Inlay
|
|
|
|
|
|
|
Cut Out Shape Hot Girl Rainbow Necklace with 18" chain - LGBT Steel Lesbian Pride Jewelry
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Flintts Super Strong Mints
|
|
|
|
|
|
|
|
|
|
|
Rainbow Gay Pride Sticker - Gay & Lesbian Decal LGBT Products
|
|
|
|
|
|
|
Risk: The Game of Strategic Conquest
|
|
|
|
|
|
|
|
|
|
|
The Wonderful Chinese Pony Puzzle - Purple - Limited Edition
|
|
|
|
|
|
|
|
|
|
|
The Brain Cube in Bottle Packaging (Wong Mod)
|
|
|
|
|
|
|
Crazy Mirror 3x3x3 - Black Body with Gold Label (3D Printed)
|
|
|
|
|
|
|
Female Venus Symbols w/ CZ Stones - Steel Lesbian Pride Earrings - Cut Out Style
|
|
|
|
|
|
|
|
|
Escape Mail: Season 1 - Episode 10 Revelations
|
|
|
|
|
|
|
|
|
|
