The tallest man to ever live was Robert Wadlow, who reached a staggering 2.72m. That's equal to a very large male ostrich or Shaquille O'Neal with two bowling pins balanced on his head.

For over a decade, mathematicians have failed to agree whether a 500-page proof is actually correct. Now, translating the ...

To calculate your average trade price, add all purchase prices and divide by the number of trades. Use weighted average trade price calculation if share quantities vary per purchase. Weighted averages ...