Aristo M42S
Serial number 2LL03 0446 (on back label bottom edge)
Accessories Protective plastic cover, quite worn
Condition Excellent!
Repairs, Comments 15.4.2004 Removed the back label to be able to unscrew the back and took out two dead NiCd batteries.
Acquired 5.4.2004

Back side of the above M42S with the plastic instruction label removed. Note that the two screws near the bottom must be removed before the unit can be opened!
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Type, Precision, Input mode Simple, 8 BCD digits, no exponent, Algebraic
Programmable No
Memory 1 summation register, not permanent
Display 9 digit 7 segment green LED
Special features Instructions on the back
Original Pricing, Production Introduced 1975
Batteries 2x AA or external DC 3V off-the-shelf powr supply
Dimensions Length 15cm, Width 7.6cm, Height 1.9cm
Links
Comment Warning: Different from other Aristo units the back cannot simply pried off! Rather two screws underneath the back label must be removed.
The "S" version denotes built-in rechargeable NiCd batteries.
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