Agena is an interpreted procedural programming language.
Agena is an easy-to-learn procedural programming language designed for science, scripting, and many other applications. Binaries are available for Windows, Linux, Solaris, OS/2, Mac OS X, Raspberry Pi and DOS.
Intelligent formulas: Numeric and symbolic calculations in LibreOffice and Openoffice Writer. The iMath extension to Libreoffice and OpenOffice enables numeric and symbolic calculations inside a Writer document.
If your OS can install .deb packages, have a look at my PPA http://launchpad.net/~jrheinlaender/+archive/ppa
Brandy is an interpreter for BBC Basic (or Basic V) that runs under a variety of operating systems. Basic V is the version of Basic supplied with desktop computers running RISC OS. These were originally made by Acorn Computers.