Vintage el-5103 is one of Sharp’s finest pocket scientific model and ahead of its time in many ways, programmable calculator with 12 digits precision and algebraic logic. It has 44 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 3xLR44. This rare collectible made in Japan antique calculator and electronic gadget is ready to be shipped across North America. Contact us for international shipping.