TI-Planet is an online community and information resource for users of scientific and graphing calculators. It brings together news, programmes, tutorials and discussion forums, with dedicated sections covering Texas Instruments, Casio, HP and NumWorks devices, as well as exam-related topics. Visitors can compare calculator models, consult practical guides and access tutorials on features such as exam mode. The site also follows developments in calculator technology and education, reporting on new products, software and events relevant to students, teachers and enthusiasts.

Its community forum supports conversations across calculator families, including TI-Nspire, TI-82/83/84, TI-89/92/V200 and other scientific calculators. TI-Planet also provides tools such as an online price comparison service and publishes coverage of educational resources and applications, including dynamic geometry software used on Texas Instruments calculators. Through news articles and community contributions, the platform connects calculator users with product information, learning materials and discussions about how calculators are used in classrooms and examinations. Its content is presented in French and English, serving an international audience interested in calculators and mathematics education.