Author Topic: TI-84+ App4Calculus  (Read 29206 times)

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Offline Sorunome

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Re: Great program for calculus
« Reply #15 on: March 23, 2014, 05:30:47 am »
Looking nice!
Also, definite integrals containing asymptotes aren't working :P
It gives me ERR: TOL NOT MET

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Offline TheCoder1998

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Re: Great program for calculus
« Reply #16 on: March 23, 2014, 07:05:20 am »
yeah i know about that bug, i'll try to fix it but i'm not quite sure how to :P

EDIT:
another update ;D (jeez, they'll keep coming, don't they?)
i've added a limit calculator which atm is kinda buggy, but it works
and the line integral function finally works properly :D

the ERR: TOL NOT MET bug is still present but i'll fix that eventually
« Last Edit: March 23, 2014, 07:20:17 am by TheCoder1998 »
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Offline TheCoder1998

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Re: Great program for calculus
« Reply #17 on: March 24, 2014, 02:15:15 am »
W00T another update :D

well, the limit calculator is gone, because i thought that anyone should be able to do that themselves.
and i've fixed some other minor bugs.
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Offline ruler501

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Re: Great program for calculus
« Reply #18 on: March 24, 2014, 02:56:24 am »
Some limits can be rather difficult, though most of those aren't things I'd expect a calculator program to do better(and usually what makes them hard is writing out the proof anyways).
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Offline TheCoder1998

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Re: Great program for calculus
« Reply #19 on: March 25, 2014, 03:34:56 am »
ANOTHER UPDATE :D


the program can now simplify fractions with pi in them or with the constant of euler
just check it out :D
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Offline Streetwalrus

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Re: Great program for calculus
« Reply #20 on: March 25, 2014, 01:38:43 pm »
Some limits can be rather difficult, though most of those aren't things I'd expect a calculator program to do better(and usually what makes them hard is writing out the proof anyways).
* Streetwalrus pokes limited development. :P

Offline TheCoder1998

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Re: Great program for calculus
« Reply #21 on: March 25, 2014, 03:23:02 pm »
* Streetwalrus pokes limited development. :P

i don't understand this sentence ???
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Offline ruler501

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Re: Great program for calculus
« Reply #22 on: March 25, 2014, 03:35:02 pm »
He wants an example is my guess. An easy example would be limits of integrals that aren't expressible in elementary functions(\lim_{x \to 1} \int_x^10 \frac{dx}{\ln x} Note that I'm not sure if this limit actually exists) Some 2+ dimensional limits are also hard to do.
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Re: Great program for calculus
« Reply #23 on: March 25, 2014, 03:37:08 pm »
We can do math on a calculator? O.O


Anyway good job on this :), I wish we had that many programs when I was still in hi school. I usually made my own or got ones from teachers but they weren't as good and I wasn't familiar with ticalc.org as much at that time since their archives were either down or cluttered.

Offline Streetwalrus

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Re: Great program for calculus
« Reply #24 on: March 25, 2014, 05:18:50 pm »
* Streetwalrus pokes limited development. :P

i don't understand this sentence ???
I don't know how it is called on English, but it's like linear approximations but even better (more accurate since it uses polynomials, Xeda once posted a very nice arctan approx). It is based on Taylor's theorem and o (negligibility, again not sure of the accuracy of this word in English).
« Last Edit: March 25, 2014, 05:24:23 pm by Streetwalrus »

Offline TheCoder1998

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Re: Great program for calculus
« Reply #25 on: March 26, 2014, 10:47:53 am »
ohh i understand now :P
i thought the limit calculator was kinda pointless, because anyone with a brain could do it themself (no offence to people without brains :P)
so that's why i decided to remove it (and because i desperately needed space to fit in the simplification programs :P)
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Offline TheCoder1998

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Re: Great program for calculus
« Reply #26 on: March 27, 2014, 04:21:03 am »
UPDATE:
added some functions, rearranged some of the functions and i've fixed some bugs

known bugs:
the partial fractions function in the integrals menu doesn't work, i forgot to remove that one :P

please check it out :D
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Offline TheCoder1998

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Re: Great program for calculus
« Reply #27 on: March 29, 2014, 06:05:38 am »
*UPDATE*

i hope this will be the last one in a while, as i think it's relatively stable now
new features:
you can calculate the surface area of a 3-dimensional function
you can calculate surface integrals
added polar integrals and arclength

EDIT: feel the power of my triple post :P
« Last Edit: March 29, 2014, 12:14:40 pm by TheCoder1998 »
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Offline TheCoder1998

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Re: Great program for calculus
« Reply #28 on: March 29, 2014, 12:28:12 pm »
bump
just wanted to let you guys know that i've updated my program
also, quadrapost :3
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Offline Aspiring

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Re: Great program for calculus
« Reply #29 on: March 29, 2014, 12:31:14 pm »
Wow!  Lots of new features...  I am only in calculus II right now so don't even need them all yet.  :thumbsup: