Lots of FET maths stuff here

"Calls are frequently heard for improving schooling by closing the gap between children's life out-of-school and traditional learning styles, and by broadening the space and span for life-long learning opportunities. The Math4Mobile development endeavors to engage all students with mathematical ideas. It provides a collection of tools that could be included in a variety of activities to support students' mathematical skills, conceptual understanding, and creative mathematical thinking. "

created a fully functional, browser-based  graphing calculator. The calculator performs all of the functions you would expect to see in a graphing calculator with a couple of extras that you don't find in typical graphing calculators. Desmos allows you to share your equations and graphs through a Bit.ly link. Desmos graphs your equations as you type them and redraws them as you alter your equations.

A great site for maths teachers. Lots of interactive applets and resources for teachers.

Math apps can rang from flash cards to calculators to graphing. One day an iPAD can be a textbook, a calculator, and a review sheets. Lately, there has been several reference apps released that contain formulas and other reference materials.

"Looking for an online activity to engage your maths class today? Or an online widget to consolidate what you learnt yesterday? MathsLinks is a directory of 300+ useful objects found on the web for teaching Maths. This site aims to not only collate the best maths activities on the web, but present them in a meaningful way."

Also read the embedded PDF

Microsoft Mathematics 4.0, for students in middle school, high school, and early college, shows how to solve equations while bolstering understanding of fundamental math concepts. It features built-in Ink Handwriting Support, which lets you hand-write math problems and equations in a worksheet area on a tablet or ultra-mobile PCs for immediate solving or later work. The software also includes a graphing calculator capable of plotting in 2D and 3D, a movie editor, a library of formulas and equations, a triangle solver, and more.

"The free online Diploma in Mathematics course from ALISON gives you a comprehensive knowledge and understanding of key subjects in mathematics. This course covers calculus, geometry, algebra, trigonometry, functions, vectors, data distributions, probability and chance, and statistics. Qualifications in mathematics are in great demand from employers and this Diploma course will greatly enhance your career prospects."

"Whether you are confused by multiplication, need extra practice with geometry proofs, or find yourself struggling to understand logarithms, you are sure to find a website from the following list that fits your math needs. Guide to Online Schools has scoured the Internet in order to compile a comprehensive collection of resources for all math subjects, from the basics to calculus."