Calculated Industries ProjectCalc Plus (Do-it-yourself Project calculator)
The Calculated Industries ProjectCalc Plus is a specialist calculator with algebraic logic. It has 40 functions, 30 keys, and an LCD (liquid crystal) display. The power source is 2xLR43. The calculator was manufactured in China. A sample of this calculator is held in the calculator.org collection.
Facts at a glance:
You can download the Calculated Industries ProjectCalc Plus manual from this external link.