|The following is based on Van Buren and is not canon.|
Zax the supercomputer is having difficulty calculating the spread of the plague because it is old and a lot of its processing power is gone. The player character can help Zax out by bringing the data to the Ciphers, one of the few places in the wasteland that has any hope of processing the complex information.
Character type completion breakdown
Science Boy, Stealth Boy, Combat Boy, Charisma Boy - It's a fetch quest, so all the PC needs to do is bring the equation to the Ciphers.