The product is a collection of vintage Texas Instruments SR-52 Math calculators, each with a variety of programs preloaded. These programmable calculators are classic electronic devices from the brand Texas Instruments, known for their reliability and durability. Perfect for collectors of vintage electronics or those interested in retro technology, this lot offers a unique opportunity to own multiple models of the Texas Instruments SR-52 Math calculator in various configurations. Untested, being sold as is