Editing TK Solver (section)

===Universal Technical Systems===
Lotus, which had acquired Software Arts, including TK Solver, in 1984<ref name=TK2.NYT/> sold its ownership of the software to Universal Technical Systems less than two years later.<ref name=BriefsUTS.NYT/> Release 5 was still considered "one of the longest–standing mathematical equation solvers on the market today" in 2012.<ref name=Springs2012>{{cite magazine  |magazine=Springs
   |url=https://issuu.com/springmanufacturersinstitute/docs/29193_150
   |date=Summer 2012  |publisher=Spring Manufacturers Institute
   |title=TK Solver R5}}</ref><ref name=UTS5/>