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$8.99 (as of November 14, 2024 14:35 GMT +02:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)[App] Calculator++
Calculator++ helps you to do basic and advanced calculations on your mobile device.
Discuss Calculator++ on Facebook: https://facebook.com/calculatorpp
IMPORTANT:
1. Always check angle units and numeral bases: trigonometric functions, integration and complex number computation work only for RAD!!!
2. Application contains ads! If you want to remove them purchase special option from application settings. Internet access permission is needed only for showing the ads. ADS ARE ONLY SHOWN ON THE SECONDARY SCREENS! If internet is off – there are no ads!
Features:
easy to use
home screen widget
no need to press equals button any more – the result is calculated automatically
smart cursor positioning
copy/paste in one button
landscape/portrait orientations
drag buttons up or down to use special functions, operators etc
modern interface with possibility to choose themes
highlighting of expressions
history with all previous calculations and undo/redo buttons
variables and constants support (build-in and user defined)
complex number computations
support for a huge variety of functions
expression simplification: use ‘identical to’ sign (≡) to simplify current expression (2/3+5/9≡11/9, √(8)≡2√(2))
support for Android 1.6 and higher
open source
NOTE ABOUT INTERNET ACCESS: Calculator++ (version 1.2.24) contains advertisement which requires internet access. To get rid of it – purchase a version without ads (can be done from application’s preferences).
FAQ
How can I get rid of the ads?
You can do it by purchasing the special option in the main application preferences.
Why Calculator++ needs INTERNET permission?
Currently application needs such permission only for one purpose – to show ads. If you buy the special option C++ will never use your internet connection.
How can I use functions written in the top right and bottom right corners of the button?
Push the button and slide lightly up or down. Depending on value showed on the button action will occur.
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$99.45 (as of November 12, 2024 15:07 GMT +02:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)How can I toggle between radians and degrees?
To toggle between different angle units you can either change appropriate option in application settings or use the toggle switch located on the 6 button (current value is lighted with yellow color).
Also you can use deg() and rad() functions and ° operator to convert degrees to radians and vice versa.
Examples:
268° = 4.67748
30.21° = 0.52726
rad(30, 21, 0) = 0.52726
deg(4.67748) = 268
Does C++ support %?
Yes, % function can be found in the top right corner of / button.
Examples:
100 + 50% = 150
100 * 50% = 50
100 + 100 * 50% * 50% = 125
100 + (100 * 50% * (25 + 25)% + 100%) = 150
Note:
100 + (20 + 20)% = 140, but 100+ (20% + 20%) = 124.0
100 + 50% ^ 2 = 2600, but 100 + 50 ^ 2% = 101.08
Does C++ support fractional calculations?
Yes, you can type your fractional expression in the editor and use ≡ (in the top right corner of = button). Also you can use ≡ to simplify expression.
Examples:
2/3 + 5/9 ≡ 11/9
2/9 + 3/123 ≡ 91/369
(6-t) ^ 3 ≡ 216 – 108t + 18t ^ 2 – t ^ 3
Does C++ support complex calculations?
Yes, just enter complex expression (using i or √(-1) as imaginary number). ONLY IN RAD MODE!
Examples:
(2i + 1) ^ = -3 + 4i
e ^ i = 0.5403 + 0.84147i
Can C++ plot graph of the function?
Yes, type expression which contains 1 undefined variable (e.g. cos(t)) and click on the result. In the context menu choose ‘Plot graph’.
Does C++ support matrix calculations?
No, it doesn’t
Calculator user reviews :
Fantastic calculator Just one little suggestion. Could you enlarge the button when it’s held for a dragging move, and highlight the function which has been held before it’s released and chosen. This will make the dragging move a lot easier to use.
Great calculator app! Paid app quality for free I downloaded this application when I needed an emergency calculator for my math lectures, and have been using it a lot since. The finger sliding for alternative buttons system they have is a little awkward to get used to, and sometimes my motions are misinterpreted, but overall it’s a clever way of getting around the space issue that so many touch screen scientific calculators have trouble with. The fact that it can also plot in R3 is also a big plus, as long as your functions f(x, y) are all equal to z.
Great app! It’s the best calc app in Play Store. There is one thing that bothers me, I am curious if this app can solve polynomials or at least quadratic equations for answers. Help would be appreciated!
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Video :
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[app]org.solovyev.android.calculator[/app]
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