Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

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## #1 Re: Maths Teaching Resources » Free Calculus Tutorial Videos » 2009-01-06 12:12:31

Here is some other site that teaches maths through videos and flash games http://www.rapidlearningcenter.com they have designed videos for high school and college students.

## #2 Re: Help Me ! » volume of an ellipse » 2009-01-02 11:38:36

Here are Few formulas
cone
v=1/3*(3.14*r*r)*h
volume
v=3.14*r^2*h
surface area2*3.14*r^2*h

## #3 Re: Puzzles and Games » Improving your mental calculation skills » 2009-01-02 11:27:02

Games have taught me solving Maths problems as per me mathematics is a boring subject and I always scored the least possible marks in my high school studies

## #4 Re: Help Me ! » Help study for Calc II final. » 2009-01-01 12:22:30

Pls help me with fundamental theorems in calculus  like..

The second fundamental theorem of calculus states that
F(x) = ò a x f(t) dt

then F '(x) = f(x).

## #5 Re: Help Me ! » Trignometry formula » 2009-01-01 12:14:14

How can I slove this problem using Trignomentry
Two cars started from the same point, at 5 am, traveling in opposite directions at 40 and 50 mph respectively. At what time will they be 450 miles apart?

## #6 Re: Introductions » hi.. » 2008-12-30 10:02:45

Hi,I am an professor I founded Rapid Learning Center to provide e Learning Solutions of science and math to new-generation of learners. His study tips and rich-media videos can be freely subscribed at http://www.RapidLearningCenter.com.