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

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PatternMan wrote:

To be fair I already knew most of elementary algebra. I just didn't understand it and needed to fill in lots of gaps. lol I just scanned through the online book. It will probably take me till next summer to go through this properly. But it doesn't seem that intimidating after going through Serge Lang's books. It seems to follow from there quite easily. I just feel maybe I should go through trigonometry and proofs in more detail first. Oh well good luck to me. xD

If you're confident about it then you should go ahead, algebra/precalculus is too boring anyway.

PatternMan wrote:

Hello guys it's been a while. I have been very busy crash coursing the basics of the sciences. I'm learning physics now(classical mechanics). Kinematics, dynamics, newtons laws etc... It's algebra based not calculus based. I'm looking to transition to calculus very soon. I'm just going over logarithms and trigonometry stuff.

Is this the book right book? I will try to devour it in 2 weeks next month. I don't care if I can't do the problems as long as I understand the definitions, rules, applications etc....

http://www.ebay.co.uk/itm/Calculus-by-Michael-Spivak-third-Edition-/121459248987?pt=LH_DefaultDomain_3&hash=item1c47890f5b

That is the right book (by the way, it is available online and legally at https://archive.org/details/Calculus_643). Although, I'm pretty surprised you're covered precalculus/algebra already. However, even if you have a few gaps, you can fill them up later.

As for the problems, they are basically a must if you want to gain a good level of understanding. They're half the reason why Spivak is such a good book. Also, even if you put in about 8 hours a day, Spivak in 2 weeks is pretty ambitious.

Olinguito wrote:

Well, they’re not that difficult.

#1. What is CD in Roman numerals?

#2. The cube of a number is that number multiplied by itself three times – true or false?

#3. What is the pseudonym of the writer Mark Twain?

Not really difficult as they are easy questions, so you'll naturally think that they might be trick questions.

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The thing I like most is the formalism and rigour.

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1 is 0.99 recurring.

Because US starts everything off with review.

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I'd advise you to try educator.com. It has video courses, homework etc for grade 1 to university.

Agnishom wrote:

Why is this college Algebra?

Welcome to the US.

Pretty funny, especially the last one.

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Any pair of consecutive odd integers differ by 2. So if y>x, then y = x + 2.

y² - x² = (x+2)² - x²

= 4x + 4.

He doesn't know. That's the problem.

We have a Stanford professor on our forums!

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Hi, check this page out.

Though it is a valid point. Bobbym's on here almost as much as the censor, and can think.

I hope so.