Includes manual and special section on business and finance.

The Vintage Sharp EL-5500ll Scientific Computer Engineering Calc Trig Programmable is a rare and sought-after collectible item among vintage calculator enthusiasts. Made by the renowned brand Sharp, this model is known for its advanced capabilities and programmability, making it a valuable piece for collectors and vintage electronics enthusiasts alike. With its unique design and functionality, this calculator offers a glimpse into the world of scientific and engineering calculations from the past, making it a cherished addition to any vintage electronics collection.