var uKnow = new Array;
uKnow[0] = "It was probably developed in India, but because it was Arabs who transmitted this system to the West. Thus the numeral system is called Arabic Numbers."

uKnow[1] = 'Arabic mathematician Al-Khwarizmi first used the term "algebra".';

uKnow[2] = 'The Babylonians worked with Pythagorean Triples 1200 years before Pythagoras.';

uKnow[3] = "Nine Chapters on the Mathematics Arts served as a textbook not only in China but also in China's neighbouring countries and regions until western science was introduced from the Far East around 1600 A.D.";

uKnow[4] = 'In Egyptian numbers, 1,000 is a drawing of a lotus plant.';

uKnow[5] = "Except the Bible, no other book has been so widely translated and circulated as Euclid's Elements.";

uKnow[6] = "On Archimedes' tombstone, there is an inscription of pi and a figure of a sphere inscribed inside a cylinder.";

uKnow[7] = "Babbage is credited with having conceived the first automatic digital computer.";

uKnow[8] = 'Pythagoras created a school where his followers, who were also known as Pythagoreans, lived and worked. Pythagoreans were not allowed to eat meat or own personal belongings. They also observed a rule of silence called echemythia, the breaking of which was punishable by death.';

uKnow[9] = 'It is also claimed that the human body has proportions close to the golden ratio.';

uKnow[10] = 'Egyptian pyramids, the ancient Greek temple Parthenon and the Notre Dame of Paris were built according to golden ration.';

uKnow[11] = 'Many composers have applied the Fibonacci numbers or the golden ratio in the music they compose.';

uKnow[12] = 'Mozart also divided most of his piano sonatas into two distinct sections whose lengths reflect the golden ratio and wrote down mathematical equations beside his music scores.';



function uKnowRun(){
    var rand = Math.round(Math.random()*(uKnow.length-1));
    document.write(uKnow[rand]);
}