http://www.spreadsheetconverter.com/tutorials/flash/import-excel-google-sites.htm
http://www.google.co.uk/#hl=en&safe=active&sclient=psy-ab&q=2sqrt(-abs(abs(x)-1)*abs(3-abs(x))%2F((abs(x)-1)*(3-abs(x))))(1%2Babs(abs(x)-3)%2F(abs(x)-3))sqrt(1-(x%2F7)%5E2)%2B(5%2B0.97(abs(x-.5)%2Babs(x%2B.5))-3(abs(x-.75)%2Babs(x%2B.75)))(1%2Babs(1-abs(x))%2F(1-abs(x)))%2C-3sqrt(1-(x%2F7)%5E2)sqrt(abs(abs(x)-4)%2F(abs(x)-4))%2Cabs(x%2F2)-0.0913722(x%5E2)-3%2Bsqrt(1-(abs(abs(x)-2)-1)%5E2)%2C(2.71052%2B(1.5-.5abs(x))-1.35526sqrt(4-(abs(x)-1)%5E2))sqrt(abs(abs(x)-1)%2F(abs(x)-1))%2B0.9&oq=2sqrt(-abs(abs(x)-1)*abs(3-abs(x))%2F((abs(x)-1)*(3-abs(x))))(1%2Babs(abs(x)-3)%2F(abs(x)-3))sqrt(1-(x%2F7)%5E2)%2B(5%2B0.97(abs(x-.5)%2Babs(x%2B.5))-3(abs(x-.75)%2Babs(x%2B.75)))(1%2Babs(1-abs(x))%2F(1-abs(x)))%2C-3sqrt(1-(x%2F7)%5E2)sqrt(abs(abs(x)-4)%2F(abs(x)-4))%2Cabs(x%2F2)-0.0913722(x%5E2)-3%2Bsqrt(1-(abs(abs(x)-2)-1)%5E2)%2C(2.71052%2B(1.5-.5abs(x))-1.35526sqrt(4-(abs(x)-1)%5E2))sqrt(abs(abs(x)-1)%2F(abs(x)-1))%2B0.9&aq=f&aqi=&aql=&gs_l=hp.3...25900l25900l1l26337l1l0l0l0l0l0l0l0ll0l0.&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=438c73ba8048f58&biw=1280&bih=906&safe=active&surl=1
http://answers.yahoo.com/question/index?qid=20081027214744AAhMNkt