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The periodic table sorts the elements by chemical properties and are listed horizontally in order by atomic number.

Instead of working for a salary or getting paid at an hourly rate,many salespeople are paid on commission.They earn a certain percent of the total dollar ...

Test your basic knowledge in computers

A quiz in basic definitions of computer hardware

Test your basic knowledge in history of computers

Algebra is one of the major branches of mathematics which was established by Muslim Arabs.

Expanding quadratic expressions is very important. It should be very easy as well. Do not be scared. Take the quiz and try it yourself

Another quiz showing how to do equation expansion

Distributive property is often used to simplify algebraic expressions.

The commutative and associative properties of multiplication can be used to simplify certain products