Search Me

Recent Posts
 Girls’ Angle Bulletin, Volume 10, Number 4
 Math Intuition Test
 Girls’ Angle Bulletin, Volume 10, Number 3
 Happy New Year 2017!
 Girls’ Angle Bulletin, Volume 10, Number 2
 Chebyshev Polynomials of the First Kind
 Potatoes are made of ducks
 Girls’ Angle Bulletin, Volume 10, Number 1
 Measure Up – A Crossword Puzzle Raffle
 Virtual Reality!
 Girls’ Angle Bulletin, Volume 9, Number 6
 Girls’ Angle Bulletin, Volume 9, Number 5
Categories
 applied math (3)
 Contest Math (24)
 gender issues (9)
 math (109)
 Math Education (89)
 Uncategorized (19)
 WIM videos (4)
Archives
 April 2017 (2)
 February 2017 (1)
 January 2017 (1)
 December 2016 (2)
 November 2016 (1)
 October 2016 (2)
 September 2016 (1)
 August 2016 (1)
 June 2016 (1)
 April 2016 (1)
 February 2016 (2)
 January 2016 (1)
 December 2015 (1)
 October 2015 (1)
 September 2015 (1)
 August 2015 (2)
 June 2015 (2)
 May 2015 (1)
 April 2015 (1)
 March 2015 (1)
 February 2015 (2)
 January 2015 (1)
 December 2014 (2)
 October 2014 (1)
 September 2014 (1)
 August 2014 (1)
 July 2014 (1)
 June 2014 (2)
 May 2014 (1)
 February 2014 (1)
 January 2014 (4)
 December 2013 (1)
 November 2013 (2)
 September 2013 (2)
 August 2013 (1)
 July 2013 (2)
 June 2013 (1)
 May 2013 (1)
 April 2013 (3)
 March 2013 (1)
 February 2013 (2)
 January 2013 (2)
 December 2012 (2)
 November 2012 (2)
 October 2012 (3)
 September 2012 (8)
 August 2012 (10)
 July 2012 (7)
 June 2012 (3)
 May 2012 (3)
 April 2012 (7)
 March 2012 (4)
 February 2012 (3)
 December 2011 (4)
 November 2011 (7)
 October 2011 (11)
 September 2011 (13)
 August 2011 (16)
Everything Math
AIME angles arctangent area calculus CEO Chebyshev polynomials chocolate circles combinatorics complex numbers conformal crossword cubes dates derivative Emily Riehl exponentials Fermat's little theorem finite fields geometry Girls' Angle Girls' Angle Bulletin girls and math infinite geometric series irreducible polynomials Jean Pedersen Julia Zimmerman Kate Jenkins learning linear algebra logic mass points math math contests Math Doctor Bob mathematicians math event math games math magazine math prize for girls math problems math trivia math videos minimal polynomials multiplication optimization origami palindromes parabolas permutations perspective drawing probability puzzle Pythagorean theorem Pythagorean triples quadratic raffle contest roots science similarity sine stereographic projection sumit telescoping sum tennis tilings trapezoid triangles trigonometry USWIM variables Vieta's formulas volume Women's History Month
Tag Archives: stereographic projection
Girls’ Angle Bulletin, Volume 8, Number 1
The electronic version of the latest issue of the Girlsâ€™ Angle Bulletin is now available on our website. This time, we’re leaving it up to readers to guess what our latest cover represents. This past summer, Girls’ Angle program assistant … Continue reading
Stereographic Projection is Conformal
In Hana Kitasei and Tim Reckart’s animated video, Summer Vacation, Angela says that stereographic projection preserves angles. Here’s a proof.