Hey Ron, how about porting Graphing Calculator to the iPhone? There is already one graphing calc in the app store, but it doesn't even compare. From what I'm...
Ron, Ted and the gang! I totally agree. It amazes me (infuriates me) that I did not suggest this before ;-) As I usually recommend <www.math4mobile.com> and...
I'll admit, I've thought of that too. But I really think this may be overkill. I love my TI 89 (not titanium) and I remember great fondness in using the TI 83...
Hello again Nice to hear several opinions. I do not agree completely with Mike C, but it does not really matter. I like one apparatus rather than several and...
Hello all, Just to make things clear. I still think the future goes in the direction of a GCx.xx on iPhone (or the like). But let me make it clear to everyone...
If convenient this would be extremely nice! I'd pay nicely for the app. John L. Hank (614) 878-4464 Math/Phys Teacher ... If convenient this would be extremely...
Hi all, I have to agree with Jorge. And to elaborate further, as MacOSX evolves and incorporates more multi-touch UI features, the time spent porting GC to the...
Some notes on natural logs: As far as natural logarithms go, you just use "ln x" or "ln(x)". The last one has normal parentheses, via Shift 9 and Shift 0 as...
... operator name. Function Operator Trig functions sine sin cosine cos tangent tan cosecant csc secant sec cotangent cot Inverse trig functions arc sine asin...
Hello all! Have you seen this one? http://www.spacetime.us/iphone/ It is not a secret anymore. Have a nice week-end. Jorge 26 aug 2008 kl. 03.11 skrev...
Great Let them do it!!!!!! Energy for gc can remain focused Thanks! ... Re: [GraphingCalcUsers] Re: port to iPhone/iPod touch? Great Let them do it!!!!!! ...
hej Kevin! Correct. We will keep the focus. ... Ciao to all of you, great equationists out there! Jorge ... Great Let them do it!!!!!! Energy for gc can remain...
why won't this graph Greetings, I confess to having, from time to time, difficulty knowing why GC won't graph some things. I've used sliders in other animated...
Hi, The y = ... line probably should read y(x) = ... I don't see w (the one on the first eq. line) used anywhere. I removed it. Also the y(x) = g(x) will not...
... The problem seems to have been just with the "w"; GC 3.5 won't accept using reserved letters (t, u, v, w, i, r, etc.). The "w" is used in complex 4D...
The following are the special symbols that GC 3.5 uses. These can't be used as variables.
You can find them by searching for "reserved" in the Help.
I've...
... GC is quirky, to be sure. I do hope this gets cleaned up as time goes on. The LONG list of reserved names is one of my pet peeves. I really, REALLY...
... No initial conditions can be specified explicitly with GC 3.5, however you can move the cross-hair in such a way as to see the curve matching any given...
You can use the color box to get just one curve Makes this much easier Move curve to the point Just watch coordinates...no need to plot lines ... Re:...
Eventually maybe this could lead to ways of visualizing different numerical integration methods for ODEs. One thing we notice is that the solution curves...
Hoping to get some visual insight into how each function curve is threaded through the slope field by numerical solution procedures, e.g. Runge-Kutta method. ...
As long as we've got an integrable function of x on the right hand side, we can integrate.  The integrator at http://integrals.wolfram.com/index.jsp works, ...
Sorry, I wasn't showing all the slope segments due to a typo in one of the equations.   Sorry, I wasn't showing all the slope segments due to a typo in...
For some reason I couldn't take the derivative of the unit tangent the way I wanted to, so the tubes may get a little distorted in places. However, you can...
Here's why the spiral gets kinky. The way the drawing is done is to twist each segment between the "hoops". So the tube will be narrower in the middle.  ...
Just derives from rule of exponents. I guess the apparent lack of symmetry between the general exponential, and the general logarithm is due to the Chain Rule...
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