## Posts Tagged ‘pi’

### More about the neat calculator trick

Posted by: **Dave Richeson** on February 18, 2010

### The math behind a neat calculator trick

Posted by: **Dave Richeson** on February 17, 2010

### Interesting approximations using trigonometry

Posted by: **Dave Richeson** on February 16, 2010

### Proof that pi is irrational

Posted by: **Dave Richeson** on February 11, 2010

### Mathematical holiday cookies at Starbucks

Posted by: **Dave Richeson** on December 7, 2009

### Ambigram: pie≠3.14

Posted by: **Dave Richeson** on July 1, 2009

### Fallacies, Flaws, and Flimflam it’s been good to know ya

Posted by: **Dave Richeson** on December 18, 2008

### Is π the right constant?

Posted by: **Dave Richeson** on December 13, 2008

### A new continued fraction for pi

Posted by: **Dave Richeson** on December 9, 2008