Google dedicated their home page to Annie Jump Cannon today.  The Henry Draper Award winner classified and observed 500,000 stars, while breaking ground for women in science.  
She also has a crater named after her on our Moon, and her stellar classification is standard (as determined by the IAU).  
http://en.m.wikipedia.org/wiki/Annie_Jump_Cannon
  
A blog is that is all about mathematics and calculators, two of my passions in life.
Thursday, December 11, 2014
Annie Jump Cannon
HP 67 Programs… Almost 50 Years Later
HP 67 Programs… Almost 50 Years Later Both downloads are in PDF format. This is for use for the HP 67 and its emulators, or really...
