Mobile phones have come a long way since the unsightly bricks of the 1980s. The sleek handsets of today are a fraction the size of their ancestors, yet exponentially more powerful. While the implications for communication have been profound, there have been many other applications for this technology. Modern devices are capable of supporting increasingly complex software, innovative interfaces and networking capabilities, and the gaming sector has been one of the biggest benefactors of this.Much has changed since the monochrome titles of early Nokia models. One only need look at some...

A function is a group of related statements that accomplish a specific task. Understanding functions is a crucial step to programming in C++, as Brian Overland explains in this chapter from his book.The most fundamental building block in the programming toolkit is the function—often known as procedure or subroutinein other languages. A function is a group of related statements that accomplish a specific task. Once you define a function, you can execute it whenever you need to do so.Understanding functions is a crucial step to programming in C++: Without functions, it woul...