MAKE Flickr photo pool member Crabezoid7 writes – “I made this calculator one extremely unproductive night. A life goal of mine was to make a cardboard calculator, but it evolved into this extremely thin 3×5 creation. I have also realized it’s potential as a Hipster PDA addon. It’s nothing more than a gutted $3 Staples calculator, but I still love it.” – Link.
HPDA Calculator case mod