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

You are not logged in. #1 20060307 17:33:44
VectorsV # 1 Character is who you are when no one is looking. #2 20060515 17:29:59
Re: Vectorsa dot b = cosine of angle between them, cosine of 90 degrees is 0, so if a dot b is 0, they are perpendicular Last edited by lucadeltodesco (20060515 17:30:45) The Beginning Of All Things To End. The End Of All Things To Come. #3 20060515 18:09:28
Re: VectorsVery well done, lucadeltodesco! Character is who you are when no one is looking. #5 20071107 08:16:27
Re: Vectorsi'd like to demand lots of vector proof problems, please! A logarithm is just a misspelled algorithm. #6 20111229 03:17:02
Re: Vectorshi ganesh The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment 