http://www.alcula.com/blog Online and offline calculators Mon, 10 Oct 2011 15:23:42 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 http://www.alcula.com/blog/2010/01/complex-numbers-calculator-the-square-root-of-1-is-not-nan/ http://www.alcula.com/blog/2010/01/complex-numbers-calculator-the-square-root-of-1-is-not-nan/#comments Tue, 19 Jan 2010 15:17:36 +0000 admin http://www.alcula.com/blog/?p=293 http://www.alcula.com/blog/2010/01/complex-numbers-calculator-the-square-root-of-1-is-not-nan/feed/ 0