I don't know about new or not but I use 2 references for math, MathWorld mentioned by MortenS above and "Handbook of Mathematics" by Bronshtein and Semendyayev, ISBN 3871446440
Editor and Forum Administrator
stego anyone?
Add yourself to Hypography's Frappr. "There are only 10 kinds of people in the world --
.....Those who understand binary, and those who don't."
"Draw no conclusions before their time."
I don't know about new or not but I use 2 references for math, MathWorld mentioned by MortenS above and "Handbook of Mathematics" by Bronshtein and Semendyayev, ISBN 3871446440
___Now recycled, I used to have a math handbook relating to the technical trades, eg. gear ratios, load bearing cooeficients, pulleys, etc. A good source of these books is book shops, book sales, and so forth.
----------------
i think you have to judge people's opinions not by their words, but by their deeds.
~ douglas r. hofstadter ~