Tag Archives: Math

Number to Word

Posted on March 11, 2010 by jaux

10 = deca 100 = hecto 1,000 = kilo 1,000,000 = mega 1,000,000,000 = giga 1,000,000,000,000 = tera 1,000,000,000,000,000 = peta 1,000,000,000,000,000,000 = exa 1,000,000,000,000,000,000,000 = zetta 1,000,000,000,000,000,000,000,000 = yotta via

Posted in Fun | Tagged | 1 Comment

Swap without Temporary Variable

Posted on April 30, 2008 by jaux

When we’re programming, if we want to swap values of two integer values, the “normal” way we do it would look like: x = 5 y = 3 temp = x x = y y = temp We need a … Continue reading →

Posted in Programming | Tagged | Leave a comment

A Math Problem and the Answer

Posted on April 27, 2008 by jaux

Problem: Two prime numbers (>=5) and there are one and only one number between them, such as (5, 7), (11, 13), (17, 19), etc.. Prove the sum of such two prime numbers can always be divided by 6. Answer: All … Continue reading →

Posted in Discovery | Tagged | 2 Comments