Texas Instruments TI-74S Vintage Handheld Computer w/Case

The Texas Instruments TI-74S Vintage Handheld Computer is a portable computing device produced by Texas Instruments in the United States. With its retro design and vintage appeal, this handheld computer is a unique piece of computing history that allows users to experience the early days of computing technology. The TI-74S model is known for its functionality and durability, making it a sought-after collectible for enthusiasts of vintage computing. Additionally, the inclusion of a case adds value and protection to the device, making it a practical and stylish addition to any computer collection.Programmed cartridge was for logging gram positive and gram negative bacteria counts. Works fine. Battery compartment is good with no corrosion.