We’re fond of open source things here ... (and the software that was used to design the calculator) is all free software too. The calculator runs Linux (of course) and a free TI simulator ...

open source and is backed by a strong community. The tool has been many people’s choice for a lot of time now. It is a good, free and simple alternative to expensive software. It might lack a ...

Tax season is upon us and the Internal Revenue Service will provide its "Free File" tax software beginning on Friday.