If you do want to add evaluation of mathematical expressions you should check out Math.js since they provide a parser among other utilities. Please make it opti

If you do want to add evaluation of mathematical expressions you should check out Math.js since they provide a parser among other utilities. Please make it optional though, it would be a nightmare to debug if everything was written in strings. https://mathjs.org/docs/expressions/parsing.html https://mathjs.org/docs/expressions/parsing.html