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  Have You Heard?
UML Diagrams
Zicomi Systems publishes some UML example diagrams online from the world famous UML dictionary.
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Version 2.5 Released
Zicomi Systems is delighted to announce that version 2.5 of Zicomi Mentor is released. With support for UML 2.0 and all thirteen UML diagrams
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Zicomi Systems' Director
speaks about the UML at Objects by Design - an informative interview
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Partner Programme
Zicom Systems is delighted to announce a new world wide partner programme, become a partner today.
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OMG Member
Zicom Systems is made a member of the OMG!



  • hundreds of interactive example UML diagrams
  • comprehensive explanations of UML 2
  • can be used as a UML tutorial
  • hints, tips and usage guidelines
  • self-paced quizzes
  • Online UML Dictionary

The product is easy to use, intuitive and can be used by business and technical people providing a reference that is appropriate for beginners and experts alike...
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Zicom Mentor Screen
  Today's UML Element
Lifeline (Value)
Lifeline (Value)
'A lifeline (Value) is a visual synonym of a lifeline. It adds no additional semantics; it is simply an alternative presentation of the lifeline element adapted for use on a timing diagram. In this form of th... more...
  Today's Testimonial
"The UML is rich and powerful but can be overwhelming for beginners. Zicom Systems UML mentoring tool has helped me enormously learning to model software systems with the UML. A fountain of knowledge is just a click away."
David Crayford
Senior Software Engineer
Fundi Software
  Today's Thought Leader
Gottfried Wilhelm Leibniz (1646 - 1716)
Leibniz was a German philosopher, mathematician, historian and librarian born in Leipzig. He obtained a masters degree from the University of Leipzig at the age of 18 and his doctorate in law at Altdorf in 1667. His is renowned (along with Newton) as the co-founder of calculus. He also invented a calculating machine and is credited with being the first person to have conceived the possibility of the computer. His thoughts and writing span a wide range of disciplines. He developed a system of symbolic logic and is considered to be the first person to have used diagrams to represent and test the validity of an argument. The diagrams he used were similar to those used for the representation of sets. His work is relevant to the UML in the sense that he used diagrams as an abstract model to represent and reason about arguments.
Unified Modeling Language and UML are either registered

trademarks or trademarks of Object Management Group, Inc. in the

United States and/or other countries.