The design of unique number crunchers ceased after about 1985, until items like the X-Cool Gamer Calculator started making the mathematic gadgets look like other iconic devices.
Taking the form of a generic video game controller, the X-Cool Gamer Calculator has its number pad in the middle, with a choice of addition, subtraction, multiplication and division buttons on the left, and special functions on the right.
Controller Number Crunchers
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