LegacyExp is a server plugin designed to provide complete control over EXP. The admin of a server can decide the formula used to determine the amount of exp required for every level. This system allows for TOTAL CONTROL over your players' levels.
Want it to make the player level up for every exp? YOU CAN!!!!
Want to make the experience required per level to be equal to: (pi + level ^ 1.945 + (446 / level) * x)? YOU CAN!!!!!
First recommended by UltraFaceGuy at: http://forums.bukkit.org/threads/mech-legacy-xp-customize-your-levels-formatted.87309/
Set config to <default> to "default" to use the formula from 1.2.5
Set config to a script name to use your own formula
Please note the following before you install this plugin onto a non-testing server.