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It looks exactly like the mains-powered desktop calculators of old, but this one is battery powered and therefore allowed into this calculator museum. It can run on expensive C-type alcaline batteries but also on rechargeable NiCad batteries which can be charged whilst inside the calculator. Its housing is plastic, the keys have a nice touch and are good for quickly entering numbers and performing calculations.
It only has a M+ key to store something in memory, press M+ again to add to what is currently in memory. Use the +/− key on a positive result before pressing M+ to subtract.
Pressing the MR key will show the current memory value, press it twice to clear the memory.
Multiplications and divisions are automatically repeated when repeatedly pressing the = key.
This calculator was donated to the museum by my son! Thanks, Jens!