


Mint Calculator: The Typewriter
Mintpass
(via gizmodiva)



Hopscotch Calculator
designer: Vadim Kibardin
Kibardindesign Studio
(via Yanko Design)
Adler 81 Handheld Calculator, 1973
(via ibeonthat)
designer: Alexander Hulme
presented at the London Design Festival 2010
(via Denzeen)
designer: Alexander Hulme
presented at the London Design Festival 2010
(via Denzeen)