* Pseudocode
* Flowchart
* NS Diagram
* PseudocodePseudocode (pronounced SOO-doh-kohd) is a detailed yet readable description of what a computer program or algorithm
must do, expressed in a formally-styled natural language rather than in a programming language.
Sumber : WhatIs.com
* Flowchart
Schematic representation of process or algorithm.
Schematic is a illustration of system in simplified or symbolic form.
* NS DiagramNS Diagram is a graphical illustration of structured progamming design.
Its method is by drawing a table for illustrating an algorithm.
Founded in 1972 by Isaac Nassi & Ben Shneiderman.
Known as structograms.
Sumber :
* http://en.wikipedia.org/wiki/Pseudocode
* http://en.wikipedia.org/wiki/Flowchart
* http://en.wikipedia.org/wiki/NS_Diagram