tags: model

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tutorial (1), math (1), database (1), bits (1), Blender (1), book (1), Twin Towers (1), Derive (1), tribute (1), markup (1), scale (1), ERD (1), MathML (1),

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CodeByDesign

tags: database, model, ERD
logical model

Open System Architect (OSA) is an application used for modelling a system. OSA currently supports data modelling (physical and logical) with UML in the works. The unique thing about OSA is that it is an Open Source product licensed under the General Public License (GPL). The free factor makes OSA particularly interesting for students but OSA is powerful enough to compare favourably with products costing thousands of dollars.

url: http://www.codebydesign.com/

type: project, format: none

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Blender 3D: Noob to Pro - Wikibooks, collection of open-content textbooks

Blender Noob to Pro book cover This book can be seen as a series of tutorials arranged to help new users achieve expertise in Blender. The tutorials will increase in difficulty but enable intermediate users to quickly advance into whatever tutorial most suits their knowledge and continue along the sequence. We've made concerted efforts to accommodate everyone.

url: http://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro

type: article, format: wiki

My Tribute to September 11th

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1 character : 15.85 meters

A Nice Model

OMG i'm clearing out some old files and i came across an equation i jotted down. Based on other writings on this note, i'm guessing it's about 10 years old. I know immediately what it's is modelling. But you'll have to find the function and software to draw it. In 1994 i was using software called Derive.

Here it is in MathML using content markup (ie. not presentation markup).

Unfortunately i just read here that neither Firefox nor Amaya support content markup.

What's the difference between the markups? One makes it easy for non-mathematicians to present mathematical expressions. The other, content, is intended to capture the sematics of math.