Soulver: Notepad, Meet Calculator (macOS, iPad, iPhone)

Previously discussed (July 2019, 181 comments): <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=20403270">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=20403270</a>

Easier for me to tap out a couple of numbers on a keypad than entering text. I guess this would be useful if you flunked gradeschool math. Wait -- if you don&#x27;t understand math, how would you know how to formulate the problem?