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A portable, multi-platform, command-line driven graphing utility
A famous scientific plotting package, features include 2D and 3D plotting, a huge number of output formats, interactive input or script-driven options, and a large set of scripted examples.
TI graphing calculators <-> computer communication software
TILP (formerly GtkTiLink) can transfer data between Texas Instruments graphing calculators and a computer. It works with all link cables (parallel, serial, Black/Gray/Silver/Direct Link) and it supports the TI-Z80 series (73..86), the TI-eZ80 series (83PCE, 84+CE), the TI-68k series (89, 92, 92+, V200, 89T) and the Nspire series (Nspire Clickpad / Touchpad / CX, both CAS and non-CAS).
The project is now managed on Github, https://github.com/debrouxl/tilp_and_gfm .
The incompressible Navier-Stokes equations solver in 2D domains
...The first element consists of continuous piecewise linears with a cubic bubble function for the velocity field, and the second of continuous piecewise quadratics for the same. The pressure field is approximated via piecewise linears in both cases. Both stationary and time-dependent regimes supported. Elementary graphing tools are provided. GMRES and CG iterative algorithms are used for solving linear systems. Software "Triangle" is used for mesh generation.
Quicksolve is an interactive graphing calculator and programming language. It provides an intuitive interface for performing basic plots and calculations with a focus on numerical solutions. Versions will be available for both Gnome and Mac OS X.
Custom algebra simplification and rearrangement. 2d, 3d Graphing, numeric evaluation, excact and approximate, exporting to text, HTML and latex-source. ANSI-C, stand-alone.
A linux calculator which maintains the option of the simple text-based experience of bc while adding features like function declaration, registers, and a gtk+2.0 GUI. There are many predefined functions and constants. Graphing is one of many future plans.
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