Scilab

Scilab is an open source programming language created in 1990.

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Scilab is an open source, cross-platform numerical computational package and a high-level, numerically oriented programming language. It can be used for signal processing, statistical analysis, image enhancement, fluid dynamics simulations, numerical optimization, and modeling, simulation of explicit and implicit dynamical systems and (if the corresponding toolbox is installed) symbolic manipulations. Scilab is one of the two major open-source alternatives to MATLAB, the other one being GNU Octave. Read more on Wikipedia...

Scilab Wikipedia page
Scilab docs
There are at least 3,986 Scilab repos on GitHub
Scilab first developed in https://gitlab.com/groups/scilab/-/issues
file extensions for Scilab include sci, sce and tst
The Google BigQuery Public Dataset GitHub snapshot shows 7k users using Scilab in 13k repos on GitHub
Explore Scilab snippets on Rosetta Code
Pygments supports syntax highlighting for Scilab
GitHub supports syntax highlighting for Scilab
There is 1 Jupyter Kernel for Scilab
See also: (10 related languages)C, Java, Fortran, FreeBSD, Linux, MATLAB, GNU Octave, Modelica, Simulink, Sage

Example from Riju:

disp("Hello, world!")

Example from hello-world:

disp("Hello World")

Example from Linguist:

disp(%pi);

Example from Wikipedia:

// A simple plot of z = f(x,y)
t=[0:0.3:2*%pi]';
z=sin(t)*cos(t');
plot3d(t,t,z)

Feature	Supported	Token	Example
Scientific Notation	✓
Integers	✓		// \d+
Floats	✓		// (\d+\.\d\|\d\.\d+)([eEf][+-]?[0-9]+)?
Strings	✓	"	"Hello world"
Print() Debugging	✓	disp
Line Comments	✓	//	// A comment
Comments	✓
Semantic Indentation	X

Scilab - Programming language

Language features