Time Master

Year of introduction 1989
Function Clock calculations
Model Number  
Power 2 LR44 watch batteries
Original Price  
Photo credit Mark Bollman

    The Time Master was CI's first calculator with preprogrammed functions for clock calculations.  It can convert between 12- and 24-hour clocks, perform arithmetic on clock values, and do elementary payroll calculations.  Additionally, a timer with a lap function is built in.

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