"WIRIS tools include a WYSIWYG formula editor, an online calculator and a math assessment system that enhances Moodle quizzes system.
Check them www.wiris.com/demo-moodle/
Good tools to start (and follow)."
"Math tools in Moodle is my expertise. Our company develops WIRIS tools for math and science education (equation editor, calculator and math quizzes). You can have a look at www.wiris.com/demo-moodle/ Ready to help you on math issues."