Vintage Looking Calculator Green with Roccat Kone AIMO both work good

TI-66 Programmable Scientific Calculator

Vintage Litton Royal 242PD Adding Machine, Electronic Printing Calculator Tested

1970s Vintage UNITREX 95 SL Pocket Calculator Red LED Display 24 Keys WORKIN Nos

Vintage Forward 9 Pocket Adding/Subtracting Machine

Vintage Unisonic XL-1149 Calculator Printer Display 10 Digit Tested!

Vintage Sharp COMPET CS-1302 10-Digit Electrical Calculator Adding Machine

Vintage Computer Clock Calculator Mouse Box Desktop Novelty Green Apple Style