This unknown keychain calculator comes from China. I found it on Ebay for $1.63. I bought it during a time when I thought it would be harder to find cheap calculators to review. I wanted to review the good and the bad devices, and I fully expected this to fit into the bad category.
|Something's familiar here...|
Clip Calculator With Magnet 2602 that I reviewed way back in January. I hated that thing.