106 lines
4.7 KiB
XML
106 lines
4.7 KiB
XML
<!--
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~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
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~ For more information, please, contact se.solovyev@gmail.com
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~ or visit http://se.solovyev.org
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-->
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<resources>
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<string name="c_faq">FAQ</string>
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<string name="c_hints">Hints</string>
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<string name="c_screens">Screens</string>
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<string name="c_faq_content" formatted="false">
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<b>How can I remove the ads?</b>\n
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\n
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You can do it by purchasing the special option in the main application preferences.\n
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Purchase is done with Google Play and is linked to your google account.\n
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All your devices where same google account is set will be aware of purchase and will not show the advertisement.\n
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\n
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<b>Why Calculator++ needs INTERNET permission?</b>\n
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\n
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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.\n
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\n
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<b>How can I use functions written in the top right and bottom right corners of the button?</b>\n
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\n
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Push the button and slide lightly up or down. Depending on value showed on the button action will occur.\n
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\n
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<b>How can I toggle between radians and degrees?</b>\n
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\n
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To toggle between different angle units you can either change appropriate option in application settings\n or use the toggle switch located on the 6 button\n
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(current value is lighted with yellow color).\n
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Also you can use deg() and rad() functions and ° operator to convert degrees to radians and vice versa.\n
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\n
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<b>Examples:</b>\n
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268° = 4.67748\n
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30.21° = 0.52726\n
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rad(30, 21, 0) = 0.52971\n
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deg(4.67748) = 268\n
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\n
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<b>Does C++ support %?</b>\n
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\n
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Yes, % function can be found in the top right corner of / button.\n
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\n
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<b>Examples:</b>\n
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\n
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100 + 50% = 150\n
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100 * 50% = 50\n
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100 + 100 * 50% * 50% = 125\n
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100 + (100 * 50% * (25 + 25)% + 100%) = 150\n
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\n
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<b>Note:</b>\n
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\n
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100 + (20 + 20)% = 140, <b>but</b> 100+ (20% + 20%) = 124.0\n
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100 + 50% ^ 2 = 2600, <b>but</b> 100 + 50 ^ 2% = 101.08\n
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\n
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<b>Does C++ support fractional calculations?</b>\n
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\n
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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.\n
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\n
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<b>Examples:</b>\n
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\n
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2/3 + 5/9 ≡ 11/9\n
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2/9 + 3/123 ≡ 91/369\n
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(6 - t) ^ 3 ≡ 216 - 108t + 18t ^ 2 - t ^ 3\n
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\n
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<b>Does C++ support complex calculations?</b>\n
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\n
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Yes, just enter complex expression (using i or √(-1) as imaginary number).\n
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\n
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<b>Examples:</b>\n
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\n
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(2i + 1) ^ 2 = -3 + 4i\n
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e ^ i = 0.5403 + 0.84147i\n
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\n
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<b>Can C++ plot graph of the function?</b>\n
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\n
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Yes, type expression which contains 1 undefined variable (e.g. cos(t) and t has no value) and click on the result. In the context menu choose \'Plot graph\'.\n
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\n
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<b>Does C++ support matrix calculations?</b>\n
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\n
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No, it doesn\'t.\n
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\n
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<b>Why I\'ve got 1.76732452452345E-17 instead of 0?</b>\n
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\n
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Check the \'Round result\' preference in application settings - it should be turned on.\n
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</string>
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<string name="c_hints_content">
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1. You can omit unnecessary multiplication signs (instead of 3*t or t*sin(π*t) just type 3t or tsin(πt))\n\n
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2. Use ≡ (in the top right corner of = button) to simplify expression\n\n
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3. Just click on the result to copy it to the clipboard\n\n
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4. Use = button seldom - result is calculating on the fly\n\n
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5. Add constants for often used values (you can even save expressions)\n\n
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6. Use variables located on 4 and 5 buttons\n\n
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</string>
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<string name="c_screens_content">
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1. <b>Main screen:</b> is shown on application start, can be reached from another screen by pressing Back button.\n\n
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2. <b>Variables and Constants screen:</b> contains list of available constants. User may add some constants and variables here by clicking Add button. Short click on variable/constant inserts it into the editor, long click - opens variable editor window. Can be reached from the main screen by pressing π,… button.\n\n
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3. <b>Functions screen:</b> contains list of all available functions. Short click on function inserts it into the editor. Can be reached from the main screen by pressing f(x) button.\n\n
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4. <b>Operators screen:</b> contains list of all available operators. Short click on operator inserts it into the editor. Can be reached from the main screen by pressing ∂,… button.\n\n
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5. <b>History screen:</b> contains list of all actions done by user. Short click on history item sets it into the editor. Can be reached from the main screen by pressing M button.\n\n
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6. <b>Settings screen:</b> contains application preferences. Can be reached from the main screen by pressing Settings in menu.
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</string>
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</resources> |