I found this open source software.
I am reviewing this software for formula evaluation and plotting.
https://www.gnu.org/software/octave/community-news.html
I downloaded the zip file version for windows.
That give me three separate products for this purpose.
The other VPython and javascript are the others.
Merry Christmas
Octave Software
Moderator: scott
Octave Software
[MP] Mobiles that perpetuate - external energy allowed