Recent content by jedson303

I guess I didn't understand what you were doing. I'll review the binomal therum and see if I can follow the computation. Then try to understand what it actually means. jedson

I'm going back to review the Infinite sequences and summation notations, to better follow all the calculations. But I can see what you are doing. This way you don't just prove the validity of a function with a specific value, but show why this holds for all values of that function. How, in...

OK, Opalg. I see how that works. It does connect. Thanks.

I found the http://gowers.wordpress.com/2012/11/20/what-maths-a-level-doesnt-necessarily-give-you/ interesting. Curious that his example was the same one I was asking about. He makes the distinction between teaching how to understand math and teaching mechanical manipulations (my cheap tricks)...

Here's a question. This formula seems to be the keystone of calculus. That seems to be what the calculus books say, and it makes sense to me, as a rank beginner. This equation is what makes the seeming magic of defining the slope of a dimensionless point on a curved slope possible. And...

Hi -- Took a look at Octave. (It's possible to download it from the Ubuntu software center). It looks a bit more sophisitated than what I am needing right now. Probably x^2-y^2 for graphics and extcalc for a calculator will meet my needs for the moment. Down the line I may need somehting more...

That is awesome. Just what I need. All sorts of other useful things on that site as well. It really helps me if I can view the functions that I am concerned about as they spin themselves out in a 2 or 3 coordinate system -- as needed. Will also take a look at the other ones you mentioned. So...

Re: how to plug in y variables in extcalc It doesn't seem to. The only options I see for the graph types are standard, polar and 3D. Little by little I am getting it to do most of the things I want. It's not allowing me to plug in functions that use the y-axis seems to be the main problem. It...

Let me just withdraw my question. I have googled all over the place, and extcalc seems to be what I need. I have never used a calculator this complicated before. So I was looking around for tutorials on using it. There don't seem to be any, so I'll just figure it out, bit by bit. Their "help"...

My real question is more elementary than what you suggest. The function I put up (if it is a legitimate fuction) was just meant as an example. I have completed a pre-calculus and a calculus course, but am pretty much of a beginner in all this. My goal is to be able to understand certain physics...

I have an extcalc program on my computer. I can't seem to figure out how to get it to plug in "y" variables. (eg. x^2 + y^2) Your widget did this without any problem. (Looked great.) I am just getting underway with trying to understand -- in an elementary way -- certain areas of math based...