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The Million Dollar Decimal Error
Back in the time a submarine was being constructed for the Spanish Navy but that submarine never worked for the Spanish Navy. The fixed weight for the submarine was around 7.7 tonnes but one of the engineers made a mathematical mistake or the Decimal Point Error. The engineer removed decimals from the number and printed the weight for around 77 tonnes. After the mistake was recognised the Spanish Government faced a loss of 11 million USD to recover. But even after that the submarine never worked and around 6.3 billion USD was wasted.
