The Texas Instruments TI-35 II Vintage calculator is a handheld scientific calculator known for its reliability and durability. With a regular display size and key size, this calculator is perfect for solving complex equations and graphing functions. Powered by batteries. The Texas Instruments TI-35 II Vintage calculator is a timeless piece of office equipment. This item appears to be in good condition. The calculator had no battery's so the item is untested. There appears to be no broken parts. Please reference all pictures for more details of this item. Thank you.