Own a piece of history with this vintage Unisonic Big Display Electronic Calculator! 

This calculator truly reigned supreme during it's time and still maintains powerful calculating powers today!

Features:

10 digit BIG DISPLAY!

Solar/Battery Dual power! WOW!!!

Stylish flip open design! 

Vintage Unisonic quality! 

***UPDATE***

Screen no longer works. Order now before the buttons stop working too!!!