Vintage Enterprex M-90 VFD Calculator (Circa 1975) – For Parts / Repair

Up for sale is a vintage Enterprex M-90 pocket calculator featuring its classic green vacuum fluorescent display (VFD).

Condition Details:

• Power: The unit successfully powers on, and a bright green "0" illuminates clearly on the screen.

• Functionality: None of the physical buttons respond when pressed. The display remains frozen on zero.

• Cosmetic: Shows minor cosmetic wear from age and handling (please see photos for exact condition). Battery compartment is intact.

Selling strictly AS-IS for parts, repair, or collection. No batteries or accessories included.