okay, I dug up my amazon review again. It was "Functional Differential Geometry" and my main complaint was, that they claim to replace a fuzzy mathematical nota

okay, I dug up my amazon review again. It was "Functional Differential Geometry" and my main complaint was, that they claim to replace a fuzzy mathematical notation with a Scheme DSL which would make things more clear. In the end, it all felt like they replaced mathematical notation with one that THEY were just more familiar. I am a scheme/lisp/clojure fan by heart, so it definitely wasn't the parens.