## Posts Tagged ‘pi’

### Measuring Tapes for Circles and Spheres

Posted by: **Dave Richeson** on April 21, 2016

### 2013: the year of pi

Posted by: **Dave Richeson** on September 9, 2013

### Circular reasoning: who first proved that C/d is a constant?

Posted by: **Dave Richeson** on March 5, 2013

### Plato’s approximation of pi?

Posted by: **Dave Richeson** on June 20, 2012

### A pyramidologist’s value for pi

Posted by: **Dave Richeson** on April 27, 2011

### Lincoln and squaring the circle

Posted by: **Dave Richeson** on February 18, 2011

### Irving Kaplansky’s “A Song about Pi”

Posted by: **Dave Richeson** on January 14, 2011

### An amazing paragraph from Euler’s Introductio

Posted by: **Dave Richeson** on November 9, 2010

### Top ten transcendental numbers

Posted by: **Dave Richeson** on November 4, 2010

### Trigonometric functions and rational multiples of pi

Posted by: **Dave Richeson** on October 28, 2010