If you look for a computer programming challenge, you'll certainly find a few decent ones implementing concepts Linear Algebra deals with. One of simpler operations, at least on the paper, one carries out on the matrix is switching rows and columns indices along the main ...

First article ( a link to it can be found at the end of this article ) in this series was all about developing libraries for compound interest calculation in PHP programming language. Now, it is time to employ those pieces of code to do what they have been built for. In this ...

In this article I look at how to write a reusable piece of code for finding compound interest and total accumulated value of deposit or loan in PHP programming language. Code developed here will become a basis to both a command line interface script and website form then. Since ...

User input validation is one of the oldest and most frequently occurring problems in computer programming. It crops up regardless of programming language and at almost every project. If not dealt with skillfully, in particular when larger amount of user input is involved, it ...