7 Typographical Errors, Which Cost Millions
Errors that are treated in a very large sums do not necessarily have to be clearly visible.
This can be a hyphen, a particle, the missing letter, a translation error or defect in the print shop.
The damage from even one of these little things can reach astronomical sums of several hundred million dollars.
NASA lost the hyphen
The damage: $ 80 million 
The hyphen - is not the most important punctuation mark, but in 1962 his absence
in the code-board computer cost NASA $ 80 million. We are talking about the launch of the guide
to Venus spacecraft "Mariner-1", which is due to small mistakes out of control
and was destroyed by 293 seconds after launch. British writer and scientist Arthur C. Clarke
wrote a few years, Mariner 1 was "destroyed by the most expensive hyphen in history."