I still use it. Good program, easy learning curve, but no longer sold or supported.
If you want CAS math software that can exchange data with your TI CAS calculator (89 Titanium or Nspire) then... More
Like it or not there's no escaping from science, so you might as well learn about it. I think these...
We use own and third party cookies to improve our services and your experience. This includes to personalise ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. If you continue browsing, you are considered to have accepted such use. You may change your cookie preferences and obtain more information here.