Construction Master 5


Year of introduction 2005
Function Construction
Model Number 4050
Power 1 3-volt lithium battery
Original Price $69.95
Photo credit Mark Bollman

Link to Calculated Industries site for this calculator

    CI switched from Roman to Arabic numerals with the latest member of the Construction Master line.  Probably--there are Internet reports of a "Construction Master V" that differs from this calculator.  The CM5's case folds over the keyboard to protect it, and the battery compartment is shielded with a built-in pocket for the quick reference guide.

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