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Either your site ban mathdad, or you're not serious about helping actual students with ...

Free Math Help

Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
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subrings of rational numbers

Pre-Algebra

Questions from "Pre-Algebra" classes.
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i'm need to find the general solution for matrix

Beginning Algebra

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an equality

Intermediate/Advanced Algebra

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Steven G
number theory

Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Express [imath]cos(\frac{\alpha}{2})[/imath] and [imath]sin(\frac{\alpha}{2})[/imath] in terms of [imath]sin(\alpha)[/imath]

Probability / Statistics

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Agent Smith
Central Limit Theorem

Calculus

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Agent Smith
Regarding The Absolute Value Function

Differential Equations

Advanced calculus topics from Diff EQ go here.
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Solution of Laplace eq with Robbins boundary condition

Advanced Math

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blamocur
Logic Puzzle (Very Difficult)

Finance/Business Math

Compound Interest, Earnings Growth, Tax Rates, etc.
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Can Someone Share the VAT Calculation Formula?

Math Odds & Ends

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Steven G
Bunkbed conjecture proven false

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