-_-. As for leveling up, the exp caps at about 70,000 after 15 minutes. So you can't leave your game on for a whole day in hopes of getting a million exp. xD Just let the MC smack these guys around for a good 20 minutes and he'll level up 2-3 times. It's guaranteed the best way to level up in the game.
tanÂ·gent. n. 1. Mathematics. a. A line, curve, or surface meeting another line, curve, or surface at a common point and sharing a common tangent line or tangent plane at that point.
Definition of diameter. 1  1 mathematics : a chord (see 3chord 2) passing through the center of a figure or body. 2  2 mathematics : the length of a straight line through the center of an object or space the diameter of a circle dug a hole nearly four feet in diameter.