PHP has many functions. This is one of the main problems with PHP. People do, however, get used to said functions and when they come to a better designed language they get lost because they have to implement some of these somewhat vapid functions the...

This main function of this module is to accept interactive input. You specify the type of inputs allowed, a prompt, help text and defaults and it will deal with the user interface, (and the user!), by displaying the prompt, showing the default, and c...

This module allows you to calculate performance for number of situations: Single period performance, given a beginning market value (BMV) and ending market value (EMV) and optional cash flows in between. Linked periodic performance; i.e, given three ...