Vintage RadioShack EC 400 Checkbook Calculator Case Dual Power Battery Solar 80s

Why did the calculator go to therapy? It had too many issues to solve! Introducing the RadioShack EC-400 Checkbook Calculator – your desk's new stress therapist. It comes with a sleek case, so it doesn’t lose its cool under pressure. Calculate, deposit, and let it handle your number problems. • Solar and battery-powered • Durable, protective cover • Easy-to-use interface • Compact design for portability • Multiple calculation functions Please see the pictures for the full description.