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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus.
"Graphical representation of Cartesian coordinates with labeled axes and points."
May 25, 2010

Need to know how to graph points in two dimensions using Cartesian coordinates? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical ...

Graph of a sine function with labeled amplitude and period on a coordinate plane.
May 25, 2010

Need to know how to determine the equations of trigonmetric functions by inspecting their graphs? Learn how. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need t ...

Graph of a mathematical function with annotations and sinusoidal characteristics.
May 25, 2010

Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how t ...

Trigonometric functions and calculations related to a right triangle.
May 25, 2010

Learn how to use trigonometric functions to calculate the sides of a right triangle. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds ...

Mathematical equations converting radians to degrees and vice versa.
May 25, 2010

Need to know how to convert between radians and degrees? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to ...

"How to Write a percentage as a decimal number" cover image
May 25, 2010

Want to know how to express a percentage as a decimal number or a decimal number as percentage? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brighte ...

"How to Increase a number by a percentage in basic arithmetic" cover image
May 25, 2010

Need to know how to grow a quantity by a percentage? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to auto ...

Trigonometry diagram illustrating a triangle with sides labeled 3, 4, and 5, and the angle marked as θ, along with the mnemonic 'soh cah toa'.
May 25, 2010

New to trigonometry? Learn how to calculate cosine, sine and tangent with this lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical mind ...

"How to Solve a quadratic inequality in algebra" cover image
May 25, 2010

Need to know how to solve quadratic inequalities? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, ...

Math equation and geometric shapes sketched on a blackboard.
May 25, 2010

Need to convert mixed numbers to improper fractions and improper fractions to mixed numbers? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest ...