Jeff Trevaskis's List: Number properties

blog.crossedstreams.com/...us-times-a-minus-equals-a-plus - Preview

integers negative times minus operations on 2009-10-01 and saved by 3 people

Have you ever wondered how Room 101 got its name, or what you measure in oktas? Which number links Alice in Wonderland, rainbows and the Egyptian Book of the Dead?
You will find the answers in Numbers. The book is full of facts, both mathematical and cultural, tantalising problems and anecdotes.

richardphillips.org.uk/number - Preview

mathematics number on 2009-04-06 and saved by 8 people

www.stetson.edu/...numbers.html - Preview

Number mathematics on 2009-03-28 and saved by 352 people

Enter a number and I'll tell you everything you wanted to know about it but were afraid to ask.

www.numbergossip.com/13 - Preview

Number on 2009-03-28