Why are algorithms called algorithms? Over 1,000 years before the internet and smartphone apps, Persian scientist and polymath Muhammad ibn Mūsā al-Khwārizmī invented the concept of algorithms.In fact, the word itself comes from the Latinised version of his name, "algorithmi". And, as you might suspect, it's also related to algebra. Al-Khwārizmī made important contributions to mathematics, geography, astronomy and trigonometry. To help provide a more accurate world map, he corrected Alexandrian polymath Ptolemy's classic cartography book, Geographia. He produced calculations for tracking the movement of the Sun, Moon and planets. He also wrote about trigonometric functions and produced the first...