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Nassi-Shneiderman Diagram Software

What is a Nassi-Shneiderman Diagram

Nassi-Shneiderman Diagrams

Nassi-Shneiderman diagrams are an alternative notation for process flowchart. A Nassi-Shneiderman (NS) diagram is a graphical method of stating algorithms. It is a diagrammatic approach to algorithm design but is not as bulky to draw as flowcharts.

NS Diagram Software

Edraw is a very easy-to-use and intuitive database design tool and Nassi-Shneiderman software which can save you hundreds hours of work.

NS Diagram Software

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Nassi-Shneiderman Symbols

Edraw contains special shapes and settings for creating Nassi-Shneiderman (NS) diagrams and other structured flowcharts.

Nassi-Shneiderman Symbols

In Edraw Professional, the Nassi-Shneiderman Diagrams template and shapes are in the Software folder.

Examples of Nassi-Shneiderman Diagram

The Nassi-Shneiderman (NS) diagram is a graphical method of stating algorithms. Many people claim that it is very easy to read, especially for beginners. That is probably true but maintaining NS diagrams can be a problem for the program designer. Here is a simple example of a NS diagram:

Examples of Nassi-Shneiderman Diagram

Some Tips in Drawing Nassi-Shneiderman Diagrams

1. Drag the shapes from the Nassi-Shneiderman templates in the "Software" category.

2. You can move the yellow control point to change the shape.

3. Switch the Text Block Adjust Tool, you can change the position of text.

Then click the shape to select the text block. So you can change the geometry of text now.

4. Sometimes you need to close the snap functions in order to align shapes. So you find it at the "Snap & Glue" Dialog in the "Tool" menu.

Nassi-Shneiderman Diagrams

Also known as Chapin Charts, Nassi-Shneiderman (N-S) diagrams are a modern alternative to flowcharts for the following reasons:

  • N-S diagrams are an alternative to simple flowchart.
  • An N-S diagram can be drawn using text and lines (or completely with ASCII characters).
  • N-S diagrams show processing by series, by selection, or by iteration.
  • N-S diagrams are read from top to bottom.
  • N-S diagrams are more structured than flowcharting (one start, one end).

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