Monthly Archives: May 2007

PostGIS

PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRI’s SDE or Oracle’s … Continue reading

Share
Posted in Earth Sciences | Leave a comment

Quantum GIS (QGIS)

Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows. QGIS supports vector, raster, and database formats. QGIS is licensed under the GNU General Public License. QGIS lets … Continue reading

Share
Posted in Earth Sciences | Leave a comment

Elmer

Elmer is an Open Source Finite Element Software for Multiphysical Problems. Elmer includes physical models of fluid dynamics, structural mechanics, electromagnetics, heat transfer and acoustics, for example. These are described by partial differential equations which Elmer solves by the Finite … Continue reading

Share
Posted in Engineering | Leave a comment

SAGE

SAGE is free open source math software that supports research and teaching in algebra, geometry, number theory, cryptography, numerical computation, and related areas. Both the SAGE development model and the technology in SAGE itself is distinguished by an extremely strong … Continue reading

Share
Posted in Mathematics | Leave a comment

New Software Links

Some cool new user-submitted software links today: SAGE is math software that supports research and teaching in algebra, geometry, number theory, cryptography, numerical computation, and related areas. It looks very useful. CAE Linux is an entire Linux distribution designed specifically … Continue reading

Share
Posted in Science, Software | 2 Comments

EquPlus

EquPlus looks like a pretty neat resource. They have a large library of equations from many mathematically-related fields. Each equation can be cut-and-pasted into your documents in LaTeX, MathType, or MathML code. There are also Constants, SI Units, Symbols, and … Continue reading

Share
Posted in Software | Leave a comment

Scratch! Open source programming for kids

I spent about 2 hours last night playing around with a new programming language called Scratch, which was designed for kids. You snap together programs from logical building blocks that you can drag over from a programming palette. There’s also … Continue reading

Share
Posted in education, Fun, Software | 10 Comments