ASciencePad - a TiddlyWiki suitable for scientific notes<html>The editor now includes a button `~~` that calculates the value of the current math expression (if possible). The cursor should be at the end of the read box, and the answer will be inserted at that point. If the expression contains a string of equalities, only the expression after the last equality is evaluated. Some expressions are considered too easy (this behavior can be switched off by
