Symbian OS

Symbian Operating System, formerly operating system designed for smartphone Nokia devices. As a Microsoft Windows on your computer desktop, Symbian be able to do multitasking operate (work with more than one aplication running on same time). Symbian provide API (Application Programming Interface) that containing procedure and function which needed by sofware developer to make an aplication work with device. So that we can added some application that support for my Symbian device operating system.

Symbian formerly is operating system owned by Symbian company. Eventually Nokia has buy all Symbian licence.