A calculator app? Anyone could make that
twitter.comIf you don't like twitter, here is the paper, it discusses a hybrid approach for calculating mathematical expressions by combining symbolic and analytical methods: https://dl.acm.org/doi/pdf/10.1145/3385412.3386037
or if you dont want to read at all watch this youtube video. https://www.youtube.com/watch?v=Ub86BRzqndA&t=592s
Big discussion at the time (1821 points, 86 days ago, 430 comments) https://news.ycombinator.com/item?id=43066953