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From: Michael Heerdegen <michael_heerdegen@web.de>
Newsgroups: gmane.emacs.devel
Subject: Re: I want to add a package to GNU ELPA: infix-notation-calculator
Date: Wed, 18 Aug 2021 08:40:16 +0200
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Stefan Monnier <monnier@iro.umontreal.ca> writes:

> - read the line with (read-from-string (concat "(" STRING ")"))
> - massage the resulting sexp to implement the desired infix syntax.

`calc-eval' is an existing solution for this task.  Christian may want
to have a look at it before investing his time for this.

Michael.