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UML Diagrams
Zicomi Systems publishes some UML example diagrams online from the world famous UML dictionary.
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
Zicomi Systems' Director
speaks about the UML at Objects by Design - an informative interview
Partner Programme
Zicom Systems is delighted to announce a new world wide partner programme, become a partner today.
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...

Zicom Mentor Screen
  Today's UML Element
'An activity is a classifier that describes a set of nodes and flows that specify a coordinated behavior made up of subordinate behaviors called actions. The nodes can be actions that are the atomic executabl... more...
  Today's Testimonial
"I would highly recommend Zicom Mentor to anybody learning the UML, a great tool at the right price."
David Crayford
Senior Software Engineer
Fundi Software
  Today's Thought Leader
Augustus DeMorgan (1806 -1871)
DeMorgan was born in Mandura, India, on June 27, 1806 where his father was employed by the East India Company. DeMorgan was blind in one eye and was bullied at school. He excelled in mathematics and completed a degree at Trinity College in Cambridge. He was appointed as the first professor of mathematics to the University of London (later called University College) in 1828 and taught there for thirty years. He published material on arithmetic, algebra, trigonometry, calculus, probability and formal logic. His contribution to mathematics has resulted in a set of laws that bear his name, two of which are: 1. not(p or q) = (not p and not q) 2. not(p and q) = (not p or not q). His work on propositional calculus and set calculus provides a formal basis for parts of the UML and analysis and programming.
Unified Modeling Language and UML are either registered

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