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Calculator++

New version: 1.2.22

What's new:

1. Fix for missing cursor in Android 3 and higher
2. Fix for substituting 3.14... with Π constant
 
ElayneXiong said:
Sounds like you're working pretty hard at this.
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:cool:
 
New version: 1.2.24

What's new:

1. Fix for calculating inverse trigonometric functions in complex field
2. Removed time delay for calculation
3. Fix the problem with 200 - 10% = π
4. BUILT-IN ADS
 

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New version: 1.2.25

What's new:

1. Integration of ln() and lg()
2. Last opened tab is remembered now (history, variables etc)
3. Remove option from context menu for variables
4. 1/0 bug
5. Gui defect for MIUI roms
6. Double zero (00) key
 

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New version: 1.2.27

What's new:

Note from developer:
I'm glad to inform you that I've started a forum for Calculator++: All Categories - Calculator++.
Here you can find latest information about application, check for known issues, submit bugs or suggest new features.
You can use your social account to login (Facebook, Twitter or Google are supported).
1. Zoom buttons on graph plotter
2. Billing bug fixes
3. Fixed bug with saving constants
4. Other small fixes
 

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New version 1.2.30:

1. New Metro theme with 3 color variations (old themes are still available)
2. Simple layout (Default layout is still scientific)
3. Preferences screen changes
4. Maximum calculation time preference added
5. Always scientific notation option added
6. Remove billing information option added
7. Error label is substituted with greyed text
8. Special layout for x-high density displays (aka Galaxy Note support)
9. Sgn(0) problem fixed
10. Billing problems fixes
 

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Your calculatipon of integral(log(x),x) is wrong. Remember, log(x)=ln(x)/ln(10). So, integral(log(x),x) = integral(ln(x)/ln(10),x)=integral(ln(x),x)/ln(10).
 
Hey Sergey,

I am moving this over to the applications announcements section as it is better suited for this sort of post.
 
New version 1.2.36

What's new:

1. Ukrainian localization (Андрій Бандура)
2. HEX digits are not shown in not HEX mode
3. Preference for disabling display auto rotation
4. Preference for hiding equals button
5. Fixed plot problem
6. Fixed E+ problem (HEX mode)
7. π and Π are switched
8. Conversion tool added (tap on display or choose from application menu)
9. Wrong lg() integration and differentiation fixed
 

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This is a very nice calculator app! Lots of good features for power users. I have an idea for you, how about an option to have the app prompt you for values for the variables in the current equation? You could activate it by swiping down on the = key.

Also, when entering values for variables, it should pop up a numeric keypad, not a keyboard!

Keep up the good work!!
 
Thanks for your work in this app Sergey. I specially love the nice keyboard you have devised. It works wonderfully in my Nexus 7.

-Regarding RPN and speaking as a hard core RPN user, I do not think it is necessary in your app, since the results are done on the fly.

I have a couple of suggestions for improving your application even more.
- Implementation of calculation of limits.
- Enhance the graph by adding the possibility to display the graph full screen (maybe by tapping on the graph window).
- Add the possibility to zoom the x and y axis separately (or to fix the x and y max and min values)
- Add the posibility to show roots, max and min values of the displayed function.

In any case, this is a top app, keep up the good work.
 
Sergey - I think this app is incredible! Thank you for all the hard work you have put into it.

I have a couple of questions:

1. How do I create my own functions? Could you give an example of a simple user-created function? I am not sure what to enter for "Name" and "Parameters" etc. For example, a function that converts Inches to millimeters

2. Perhaps you would consider including common conversions into your program? I'm on the lookout for a good unit conversion program and would love to see it integrated into C++.

Thanks again!
 
I have been using calculator++ as my go to calculator for over a year. I was initially drawn to it by the ability to swipe on a key instead of tap to access additional functions - makes calculations a breeze. It's just keeps getting better over time.

Sergey, why don't you make a donate version of your app? I and perhaps many of your other 500,000+ users would like to offer a small reward for your effort...

skanky, coincidentally I just finished making a unit conversion app...and have been thinking about integrating a calculator into it. It's much more powerful than Google's converter, but I invite you to give it a try: Flexible Unit Conversion Tool
 
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