Calculette Orplan 335s47

Calculator operating in hours minutes or decimal with a list of all the calculations performed and the associated results with the possibility of resuming an intermediate result by a simple click. Possibility of entering an operand hours and minutes in the form[start time – end time] particularly useful when summing working hours. Possibility of entering titles and comments in the calculation history. Ability to print the history of the calculations performed. Possibility to keep the calculations performed in a text file.