Rare Vintage Soviet USSR Russian Calculator MK87 From 1987. For parts or not working. As pictured.

The First Soviet calculator-notepad

This calculator was made for the participants of the next congress of communist party. About 7000 copies in total were made only. The basis of this calculator was taken from the previous model MK 85. In it there was same 16-bit DEC-compatible processor. This "toy" has appeared expensive for production, and in series production never was made..