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Math

Hi,

So, it has become apparent that I have forgotten almost all my highschool maths. I'm not joking, all of it.

This is bad. I want to go back and re-learn the critical stuff:
Algebra (no shit, I barely even remember how to solve equations)
Trig
Quadratics
etc.

Anyone know of any good (and free) websites for this kind of thing, or should I just get a highschool text book?

Re: Math

quote:

Originally posted by echosystm Hi, So, it has become apparent that I have forgotten almost all my highschool maths. I'm not joking, all of it. This is bad. I want to go back and re-learn the critical stuff: Algebra (no shit, I barely even remember how to solve equations) Trig Quadratics etc. Anyone know of any good (and free) websites for this kind of thing, or should I just get a highschool text book?

Go to a thrift store (like Goodwill in the USA), and go to their books. You're bound to find old textbooks for like $1. That's what I do when I want to find finance textbooks people would have otherwise thrown away.

buy those ACT/SAT (prep books for college standarized tests) or GRE (prep books for grad school standarized tests). they contain a good amount of algebra II and geometry stuff.

why do you want to learn it again?

id say get a year 12 text book. it'll have all that stuff in it.

http://highschoolace.com/ace/x-math.cfm

quote:

Originally posted by Fpcookie why do you want to learn it again?

gonna be graduating in computer science. i figure it's probably a good idea to have some maths under my belt.

my degree only has one maths course - discrete maths. i haven't done it yet. i want to be prepared for it.

quote:

Originally posted by winston Discrete Math reqs are easy and you can get an exempt by taking 1 or 2 exams.

i know discrete maths will be easy, i'm just ashamed that my maths is so bad, in general. also if i do some programming stuff and need to work out vectors etc...

Go to an academic book store and get yr 12 further maths and yr 12 methods text books. I'm not sure if that's what they call the math courses in Adelaide but there would be something similar.

Just make sure you get one that has explanations and not just questions to work through.

EDIT: Don't even worry about getting a methods book, just go get a further maths book. further maths = basic yr12 math

If you can handle the basics (pre and algebra + simult. equs. ) you'll be fine.

quote:

Originally posted by Ted Promo

Haha I love those vids.

quote:

Originally posted by echosystm gonna be graduating in computer science. i figure it's probably a good idea to have some maths under my belt. my degree only has one maths course - discrete maths. i haven't done it yet. i want to be prepared for it.

wtf you have ONE math course? We had like 10-15 math courses in my computer science education.

quote:

Originally posted by Cloudburst wtf you have ONE math course? We had like 10-15 math courses in my computer science education.

well, it is a bachelor of computer "and information science".

this CIS degree is the equivalent of "bachelor of IT", at most universities. our university does not have a "computer science" degree; you either do CIS or engineering (soft dev) or engineering (networks & telecomms), etc.

i have one other maths course (statistics), but i dont really count it as maths, because it's not too hard.

I've taken discrete math 1 & 2 at my university, and you really dont need to know too much algebra for it. Its really different from the type of math you usually learn. Although i did have to complete calculus 1 & 2, you dont have to learn any calculus for your degree?

quote:

Originally posted by neovalkyr you dont have to learn any calculus for your degree?

nope, just discrete maths and stats

bachelor of IT degrees focus less on academic stuff and more on "practical" stuff. for example, they know alot of IT graduates won't go on to be programmers, so advanced maths is not as important. conversely, computer science graduates will often be programmers and systems designers, so they focus more on maths.

quote:

Originally posted by echosystm nope, just discrete maths and stats

What kind of stats are we talking here? First year shit? Or the funky MANOVA and hierarchical multiple regression shit?

quote:

Originally posted by Sushipunk What kind of stats are we talking here? First year shit? Or the funky MANOVA and hierarchical multiple regression shit?

Yeah man, first year shit.

"Descriptive summaries: measures of central tendency and dispersion, tables, business graphics, correlation, simple linear regression, multiple regression, ANOVA, index numbers, time series. Basis of statistical inference. Confidence, tolerance and prediction intervals and sample size calculations. Hypothesis testing."

quote:

Originally posted by echosystm nope, just discrete maths and stats bachelor of IT degrees focus less on academic stuff and more on "practical" stuff. for example, they know alot of IT graduates won't go on to be programmers, so advanced maths is not as important. conversely, computer science graduates will often be programmers and systems designers, so they focus more on maths.

Ah that's good. You'll probably cover stuff like logic, matrix multiplication, and counting. For example. The number of different possible orderings of a deck of n cards is f(n) = n!. It's pretty boring to be honest, but I had a good teacher which made it a lot easier.

there's probably a reason why you forgot all that stuff.

I learned how to count from reading rainbow

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