http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/ A blog about math, puzzles, teaching, and academic technology Tue, 24 Jan 2012 01:59:15 +0000 hourly 1 http://wordpress.com/ http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1247 Thu, 29 Apr 2010 05:18:03 +0000 http://divisbyzero.com/?p=2683#comment-1247 [...] 来源：http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/ [...]

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1246 Wed, 28 Apr 2010 08:41:40 +0000 http://divisbyzero.com/?p=2683#comment-1246 Can we get e using similar trick?

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1245 Wed, 28 Apr 2010 05:21:25 +0000 http://divisbyzero.com/?p=2683#comment-1245 [...] 来源：http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/ Posted in Brain Storm Tags: 证明, 圆周率, 惊奇数学事实Trackback: http://www.matrix67.com/blog/archives/3155/trackback 我猜您可能还喜欢： Buffon投针实验：究竟为什么是pi？ [...]

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1244 Wed, 28 Apr 2010 04:18:17 +0000 http://divisbyzero.com/?p=2683#comment-1244 Very nice trick, will be using that one myself =] and also nice explanation of why

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1243 Wed, 28 Apr 2010 01:24:17 +0000 http://divisbyzero.com/?p=2683#comment-1243 Nice. This was just small enough and interesting enough to fit into my working memory and give me a jolt of happy.

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1238 Tue, 27 Apr 2010 14:02:06 +0000 http://divisbyzero.com/?p=2683#comment-1238 11 radians you mean. That’s the answer

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1084 Mon, 22 Feb 2010 14:38:57 +0000 http://divisbyzero.com/?p=2683#comment-1084 [...] post es una traducción hecha de “The Math behind a neat calculator trick” post del blog Division by Zero del Professor Dave Richeson, reproducido y traducido con su [...]

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1076 Fri, 19 Feb 2010 18:58:55 +0000 http://divisbyzero.com/?p=2683#comment-1076 [...] Why sin(11) is approximately -1 Math teachers at play carnival#23 Calculator trick [...]

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1072 Fri, 19 Feb 2010 03:32:57 +0000 http://divisbyzero.com/?p=2683#comment-1072 Thanks, Robert! That’s amazing. Your comment inspired a follow-up post.

]]> http://divisbyzero.com/2010/02/17/the-math-behind-a-neat-calculator-trick/#comment-1071 Fri, 19 Feb 2010 03:31:47 +0000 http://divisbyzero.com/?p=2683#comment-1071 [...] about the neat calculator trick Yesterday I wrote about a neat calculator trick that I had just [...]

]]>