In the early 1980s, truncated floating point calculations caused the Vancouver Stock Exchange index value to drift down for about 23 months, until it was shown

In the early 1980s, truncated floating point calculations caused the Vancouver Stock Exchange index value to drift down for about 23 months, until it was shown as less than half the correct value: https://en.wikipedia.org/wiki/Vancouver_Stock_Exchange#Rounding_errors_on_its_Index_price https://en.wikipedia.org/wiki/Vancouver_Stock_Exchange#Round...