The calculator can be found in four different locations
Jurassic Period Edit
The calculator may appear stuck on top of a ledge. Putt-putt will need to construct a ramp from four rocks to be able to retrieve it.
Merlin can be found using the calculator to power his alchemy machine. Putt-Putt must find another source of power if he wishes to reclaim it.
Old West Edit
At the ghost town, a rat can be seen with the calculator, however before Putt-Putt can retrieve it the mischievous rodent drops it into a chest that becomes locked.
The cartown museum is displaying the calculator as a primitive form of performing mathematical calculations. Putt-Putt must find another item to replace it.