Tina - TI
Develop and test circuit models in the integrated environment with various options for creating and modifying specific elements or checking the integrity and functionality of structures. Complex architecture editing is possible with no node or number of device limitations.
The 18.104.22.168 version of Tina - TI is available as a free download on our website. The program lies within Education Tools, more precisely Science Tools. The default filenames for the program's installer are TINA.EXE, 1TINA.EXE or SHAPED.EXE etc.
This free PC software can be installed on Windows XP/Vista/7/8/10 environment, 32-bit version. This free software is an intellectual property of Texas Instruments Incorporated. The most popular versions among the program users are 9.3, 9.2 and 7.0.
From the developer:
A powerful circuit design and simulation tool.
You may want to check out more software, such as TIS configuration software, ATLAS.ti or TI-Nspire Navigator Teacher Software, which might be related to Tina - TI.