Orpet Calculator Ot 512

With this calculators 12 digits you may quickly pe rform complicated computations. The displays size allows for easy visibility of the numerals. It has a 120 step check mechanism that enables you to double check your calculations steps and guards against errors. Three unique buttons mark up grand total and correct are included inside the calculator. A 2 way power mechanism is included. When its batteries run out you can even use solar light to replenish the calculator since those are its main power source.