iOS/Android/Desktop: Default calculator apps suck. They work like a traditional handheld calculator, which only displays one value at a time and can only do basic math. If you want to do anything more ...

Margaret Wertheim is a science writer and author of books on the cultural history of physics. She is also an artist in the 2019 Venice Biennale, running May 11 to Nov. 24. Toward the end of Steven ...