Many digital signal processors include a variety of functions not found in 'ordinary' processors: 1  The ability to perform a multiply-accumulate, with both operands fetched from RAM, at a rate of one cycle per pair of operands.
Strait of Magellan. The Strait of Magellan (Spanish: Estrecho de Magallanes), also called the Straits of Magellan, is a navigable sea route separating mainland South America to the north and Tierra del Fuego to the south. The strait is the most important natural passage between the Atlantic and Pacific oceans.
If you want a good guess, most historians have agreed on Guanahani Island which today is known as Watling Island in the Bahama's. The reason for the debate is that Christopher Columbus was notorious for keeping inaccurate logs on distance throughout the first voyage. In fact, Columbus did this on purpose. Columbus was a sailor who sailed by Dead Reckoning and he was an expert at it. As far as a mathematical sailor--- he was not.