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Quick Math Automated service for answering common math problems. Provides an array of calculators from algebra, equations, inequalities, calculus, matrices, graphs, to numbers. 
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Calc 3D JavaScript Vector, Matrices and Complex calculators. A program for calculating 3dimensional vectors, matrices, complex numbers and quaternions. Features addition division, subtraction, skalarproduct, unit vector, multiplication, length of a vector 
Mega Converter 2 Discover how many seconds old you are, the difference between a gallon in the USA and a gallon in the UK, how many nanometers in an inch, how many quarts in a chaldron and more. Handy scientific calculator is also available. 
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Basic Mathematics Covers basic mathematic techniques, including graphs, multiplication table, decimals, perimeters, fractions, exponents, geometry and area of shapes, along with a selection of calculators and math resources. 
 