This listing features a vintage Texas Instruments TI-30 electronic slide-rule calculator, complete with its original box and owner's manual. The calculator is designed with an algebraic operating system, making it a classic piece for collectors or enthusiasts of early electronic computing devices. Also included is an accessory brochure for TI-30 style calculators. The calculator itself appears to be in good cosmetic condition, consistent with its age. A great find for anyone interested in retro technology or Texas Instruments history.