Lumos StepUp provides Math and ELA practice for Smarter Balanced & PARCC tests.

This software is presented by ALLTECH association which brings library of math.

Resistor Calculator

Periodic Table of elements. Simple and effective periodic table. Perfect for students.

This application contains a list of all Trigonometric formulae and identities that can help you get good grades in mathematics.
Its a handy tool to provide you with all the help without having to remember even one formula.