Lisp expressions are different from what most people are taught in early math classes. As a result more people find y=m * x+b easier than (let ((y (+ (* m x) b

Lisp expressions are different from what most people are taught in early math classes. As a result more people find y=m * x+b easier than (let ((y (+ (* m x) b))) y) until they get the chance to spend some quality time with a REPL.