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my submission is a calculator

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mmin18
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Joined: 03 Feb 2008
Posts: 19
Location: China

PostPosted: Sun Apr 13, 2008 3:54 pm    Post subject: my submission is a calculator Reply with quote

Hi everyone, This is my work: handyCalc.
It spent me 4 months with 30000+ lines of code.


Link


You can visit the tutorial site http://handycalc.wordpress.com to see more screenshots.




handyCalc v0.2 released:
Now we can plot graphs

Link

Fix two serious bugs in core math and UI input.




handyCalc v0.3 released:
- Great improvement in solving equations, based on Newton method, now solves much faster and finds more roots. (the math core now implements the derivative)
- Improved graph animation, which is more smooth and does not blink now.
- Several improvements.

Link






Get it at http://www.mediafire.com/?cmm5b3c4kjw
Or http://rapidshare.com/files/123643806/handycalc.apk.html
(v0.3)




And also three custom widgets used in this project with a tutorial is posted in Novice Tutorial:
[Custom Widget] - HandyFlipper: makes everything flip
[Custom Widget] - MyGridLayout: Divide to grid and layout it
Nesting XML Layouts


Last edited by mmin18 on Thu Jun 19, 2008 9:57 pm; edited 7 times in total
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duanng
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PostPosted: Sun Apr 13, 2008 4:17 pm    Post subject: Reply with quote

Great cal. This so banned in Calculus tests... lol
Great graphic design, layout, animation ... addition graphs would be nice.
I think they need one of this for iPhone too, so I can use it while wait for the "real" android hardwares. But anyway, I don't see why you not going to be on top ten of winning list.
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trackdroid
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PostPosted: Sun Apr 13, 2008 4:59 pm    Post subject: Reply with quote

Owesome :)
Is it possible to try it somehow? (a download?)
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sxjthefirst
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Joined: 12 Mar 2008
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PostPosted: Sun Apr 13, 2008 5:07 pm    Post subject: Reply with quote

Wowzers that's really good.

Only thing would be you need to document the equation part so users know what to type.
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mmin18
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PostPosted: Sun Apr 13, 2008 5:38 pm    Post subject: Reply with quote

duanng wrote:
Great cal. This so banned in Calculus tests... lol
Great graphic design, layout, animation ... addition graphs would be nice.
I think they need one of this for iPhone too, so I can use it while wait for the "real" android hardwares. But anyway, I don't see why you not going to be on top ten of winning list.

I would like to develop on iPhone, too. But I haven't got a mac. And yet I still can't afford it.
I'm a college student studying civil engineering. And I'm about to go to work in a company in shanghai at the end of June.
Quote:
Owesome Smile
Is it possible to try it somehow? (a download?)

At this time, I'm not going to release the package because of the ADC.
But It will be released. And it will be free to use. Maybe I will put it to open source since I do not have much time working on it.
There are a lot of Widgets that might be useful in my code. I will put them to the Toturial in this forum if i have time.
And now I'm just tired. too tired. After I submit that package, I don't want to open eclipse or the emulator anymore.
Quote:

Only thing would be you need to document the equation part so users know what to type.

There are some instructions in the blog handycalc.wordpress.com. If you think it's too hard to understand, please tell me.
And I'm considering a pure text input mode which does not need much learning if you have learned any of the programming language.
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sxjthefirst
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Joined: 12 Mar 2008
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PostPosted: Sun Apr 13, 2008 5:56 pm    Post subject: Reply with quote

mmin18 wrote:

And now I'm just tired. too tired. After I submit that package, I don't want to open eclipse or the emulator anymore.
But unlike me you completed your entry so it was worth it Smile
mmin18 wrote:

Only thing would be you need to document the equation part so users know what to type.

There are some instructions in the blog handycalc.wordpress.com. If you think it's too hard to understand, please tell me.
And I'm considering a pure text input mode which does not need much learning if you have learned any of the programming language.[/quote] I think the documentation is good. Great work best of luck.
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plusminus
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Joined: 14 Nov 2007
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PostPosted: Sun Apr 13, 2008 8:31 pm    Post subject: Reply with quote

Impressive Exclamation

Would be really cool if it will be free Razz

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cabernet1976
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PostPosted: Mon Apr 14, 2008 2:49 am    Post subject: Reply with quote

Real cool Surprised
Good luck

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tum0rc0re
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PostPosted: Mon Apr 14, 2008 4:46 am    Post subject: Reply with quote

It's cool. Ideal program for schoolchildren and students Very Happy Great Smile
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mmin18
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PostPosted: Tue Apr 15, 2008 11:44 am    Post subject: Reply with quote

download released:

http://www.trackdroid.com/info/mmin/handycalc/0-1

http://rapidshare.com/files/107641182/handycalc.apk.html
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Yuppi
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PostPosted: Tue Apr 15, 2008 8:18 pm    Post subject: Reply with quote

WOW, definitely that is the nicest looking calculator I have ever seen.
Great UI job. And the functionalities are just as amazing. You really deserve a price.
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plusminus
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PostPosted: Tue Apr 15, 2008 11:26 pm    Post subject: Reply with quote

Damn this is smooth !! For v0.1 I'd say perfect Exclamation

I love to write unit-conversions textual! Maybe extract that functionality to a single app for 'non-technical' people Exclamation

Regards,
plusminus

Btw: getting your app via Trackdroid didn't work, did you add the .apk to the "root-package". Question

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mmin18
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PostPosted: Fri Apr 18, 2008 10:08 am    Post subject: Reply with quote

Hey, i posted three topics in Novice tutorials which introduced the custom widgets which i used in handyCalc. hope it will be helpful for you to build your app.

[Custom Widget] - HandyFlipper: makes everything flip

[Custom Widget] - MyGridLayout: Divide to grid and layout it

Nesting XML Layouts

BTW: i fixed that problems in trackdroid apk and now you can update handyCalc from trackdroid.com.
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wataru
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PostPosted: Fri Apr 18, 2008 6:28 pm    Post subject: Great tutorials! Reply with quote

Hi mmin18,

Thank you for putting tother 3 great tutorials!
I particularly enjoyed HandyFlipper one Smile

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plusminus
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PostPosted: Fri Apr 18, 2008 7:38 pm    Post subject: Reply with quote

mmin18 wrote:
Hey, i posted three topics in Novice tutorials which introduced the custom widgets which i used in handyCalc. hope it will be helpful for you to build your app.

[Custom Widget] - HandyFlipper: makes everything flip

[Custom Widget] - MyGridLayout: Divide to grid and layout it

Nesting XML Layouts

BTW: i fixed that problems in trackdroid apk and now you can update handyCalc from trackdroid.com.


Exclamation

KUDOS Smile

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