Eight Ramanujan posts

Eight short, accessible blog posts based on the work of the intriguing mathematician Srinivasa Ramanujan:

• Ramanujan series for computing π
• Ramanujan π approximation
• Ramanujan’s nested radical
• Ramanujan approximation for circumference of an ellipse
• Ramanujan’s most beautiful identity
• Ramanujan’s factorial approximation
• Sums of fourth powers
• Algorithm used for world record pi calculations