# Xah Math Blog Archive 2013-03 to 2013-04

see also: Teacup Recursion Animation

a project by a old friend at Wolfram Research. 〈The State of the Unit: The Kilogram〉 http://www.kickstarter.com/projects/52746223/the-state-of-the-unit-the-kilogram-documentary-fil?ref=live

read this, and you'll understand everything about complex numbers, without hearing a word of “complex”. Coordinate Transformation

Math Symbols in Unicode. Now, hover your mouse over to see the full symbol name.