Note that issues that arise through this process may be due to external errors, such as miscalculations by a supplier or customer.
But his opponents chose to act first, a decision some experts saw as a miscalculation.
Forestieri, who thought he had won the player of the year award last week, only for that to be revealed as a miscalculation of the votes, has nevertheless been perhaps the most influential player in the division, scoring 15 goals and chipping in with another eight assists.
The story suggests that both Ehud Barak, who was then the Israeli prime minister, and Yasir Arafat, the Palestinian leader, made political and diplomatic miscalculations, as did President Bill Clinton and his aides.
If the President had made miscalculations as basic as those made by Khrushchev, and then decided to pull back and save the peace of the world, he would, even if he escaped impeachment, lost the better part of his Presidential authority.
Later he describes it as "a political miscalculation", adding: "We will get there anyway but we will perhaps not get there quite as quickly.
"The possibility of a serious miscalculation is not as great as a few days ago".
The scope of the miscalculation was clear as soon as a sunny, wiry, well-coiffed guy bounded off the elevator, stuck out his hand and said, "I'm Wayne".
So it is fitting that the former prime minister's resignation as an MP is being regarded by the press as yet another miscalculation.
