This week’s Hacklet celebrates some of the best calculator projects on Hackaday.io! We start with [Joey Shepard] and RPN Scientific Calculator.

So in that light, building your own DIY calculator might not seem too exciting. But we can’t deny this Arduino calculator project by [Danko Bertović] would look good sitting on the bench.

My IC designer buddy Don Sauer is building on his previous work with JavaScript tools. He just sent along this JavaScript-based reverse polish calculator (zip) with some nice features for EEs. The zip ...

The Buildxact AI Estimator Calculator can be used to build out project requirements and price those requirements using live material pricing from Home Depot’s catalogs.

With shortages of beds, ventilators and healthcare personnel cropping up nationwide, Stanford researchers responded by building a calculator to aid policy makers and hospital administrators ...