diff --git a/calculatorpp/res/values-zh-rtw/text_help.xml b/calculatorpp/res/values-zh-rtw/text_help.xml
index 63d3c587..8204d829 100644
--- a/calculatorpp/res/values-zh-rtw/text_help.xml
+++ b/calculatorpp/res/values-zh-rtw/text_help.xml
@@ -11,96 +11,97 @@
Screens
- How can I remove the ads?\n
+ 如何移除廣告?\n
\n
- You can do it by purchasing the special option in the main application preferences.\n
- Purchase is done with Google Play and is linked to your google account.\n
- All your devices where same google account is set will be aware of purchase and will not show the advertisement.\n
+ 您可以在設定選單中購買一個移除廣告的選項.\n
+ 您可以透過 Google Play 購買, 購買的紀錄將會紀錄在您的 Google 帳號中.\n
+ 所有使用您 Google 帳號的裝置都會記得您的購買而隱藏廣告.\n
\n
- Why Calculator++ needs INTERNET permission?\n
+ 為何 Calculator++ 需要使用網際網路的權限?\n
\n
- 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
+ 目前使用網際網路只有一個功能--顯示廣告. 若您已購買移除廣告的選項, 則 Calculator++ 將不會使用網路連線.\n
\n
- How can I use functions written in the top right and bottom right corners of the button?\n
+ 如何使用顯示於按鍵右上方與左上方的功能?\n
\n
- Push the button and slide lightly up or down. Depending on value showed on the button action will occur.\n
+ 按下按鍵, 並稍微往功能顯示的方向滑動, 如此將執行選擇的功能.\n
\n
- How can I toggle between radians and degrees?\n
+ 如何切換角度與弳度?\n
\n
- 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
- (current value is lighted with yellow color).\n
- Also you can use deg() and rad() functions and ° operator to convert degrees to radians and vice versa.\n
+ 您可以在設定選單中選擇角度單位或是利用位於按鍵 6 上的功能來切換角度/弳度.
\n
- Examples:\n
+ (目前使用的單位會以黃色標示).\n
+ 您也可以使用 deg() 和 rad() 這兩個函數或是 ° 運算子在角度和弳度之間轉換.\n
+ \n
+ 例:\n
268° = 4.67748\n
30.21° = 0.52726\n
rad(30, 21, 0) = 0.52971\n
deg(4.67748) = 268\n
\n
- Does C++ support %?\n
+ Calculator++ 是否支援 % (百分比) 運算子?\n
\n
- Yes, % function can be found in the top right corner of / button.\n
+ 是的, % 位於 / 按鍵的右上角.\n
\n
- Examples:\n
+ 例:\n
\n
100 + 50% = 150\n
100 * 50% = 50\n
100 + 100 * 50% * 50% = 125\n
100 + (100 * 50% * (25 + 25)% + 100%) = 150\n
\n
- Note:\n
+ 注意:\n
\n
- 100 + (20 + 20)% = 140, but 100+ (20% + 20%) = 124.0\n
- 100 + 50% ^ 2 = 2600, but 100 + 50 ^ 2% = 101.08\n
+ 100 + (20 + 20)% = 140, 但是 100+ (20% + 20%) = 124.0\n
+ 100 + 50% ^ 2 = 2600, 但是 100 + 50 ^ 2% = 101.08\n
\n
- Does C++ support fractional calculations?\n
+ Calculator++ 是否支援分數運算?\n
\n
- 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
+ 是的, 您可以輸入分數計算式, 然後按下 ≡ 按鍵 (位於 = 按鍵的右上角). 您也可以使用 ≡ 來簡化計算式.\n
\n
- Examples:\n
+ 例:\n
\n
2/3 + 5/9 ≡ 11/9\n
2/9 + 3/123 ≡ 91/369\n
(6 - t) ^ 3 ≡ 216 - 108t + 18t ^ 2 - t ^ 3\n
\n
- Does C++ support complex calculations?\n
+ Calculator++ 是否支援複數運算?\n
\n
- Yes, just enter complex expression (using i or √(-1) as imaginary number).\n
+ 是的, 直接輸入複數計算式即可 (使用 i 或 √(-1) 來代表虛數單位).\n
\n
- Examples:\n
+ 例:\n
\n
(2i + 1) ^ 2 = -3 + 4i\n
e ^ i = 0.5403 + 0.84147i\n
\n
- Can C++ plot graph of the function?\n
+ Calculator++ 是否可以繪製函數圖形?\n
\n
- 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
+ 是的, 輸入包含 1 個未定義變數的函數 (例如 cos(t), t 沒有定義值), 然後點擊輸出的答案. 在出現的選單中選擇 \'繪圖\'.\n
\n
- Does C++ support matrix calculations?\n
+ Calculator++ 是否支援矩陣運算?\n
\n
- No, it doesn\'t.\n
+ 沒有.\n
\n
- Why I\'ve got 1.76732452452345E-17 instead of 0?\n
+ 為甚麼結果是 1.76732452452345E-17 而不是 0?\n
\n
- Check the \'Round result\' preference in application settings - it should be turned on.\n
+ 請檢查設定選單中的 \'四捨五入\' 選項 - 它應該已被啟用.\n
- 1. You can omit unnecessary multiplication signs (instead of 3*t or t*sin(π*t) just type 3t or tsin(πt))\n\n
- 2. Use ≡ (in the top right corner of = button) to simplify expression\n\n
- 3. Just click on the result to copy it to the clipboard\n\n
- 4. Use = button seldom - result is calculating on the fly\n\n
- 5. Add constants for often used values (you can even save expressions)\n\n
- 6. Use variables located on 4 and 5 buttons\n\n
+ 1. 在輸入的時候, 您可以忽略多餘的乘號 (例如 3*t 和 t*sin(π*t) 可以簡化成 3t 和 tsin(πt))\n\n
+ 2. 使用 ≡ (在 = 按鍵的右上角) 來簡化計算式\n\n
+ 3. 直接按下計算結果將結果複製到剪貼簿\n\n
+ 4. 盡量少用 = 按鈕 - 程式將即時計算答案\n\n
+ 5. 將常用的數值儲存成常數 (如此可以減少計算式的長度)\n\n
+ 6. 多利用位於 4 和 5 按鈕上的變數名稱\n\n
- 1. Main screen: is shown on application start, can be reached from another screen by pressing Back button.\n\n
- 2. Variables and Constants screen: 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
- 3. Functions screen: 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
- 4. Operators screen: 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
- 5. History screen: 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
- 6. Settings screen: contains application preferences. Can be reached from the main screen by pressing Settings in menu.
+ 1. 主畫面: 在程式啟動時顯示, 在其他畫面的時候, 可以按下跳出鍵以回到主畫面.\n\n
+ 2. 變數與常數畫面: 顯示可用的常數. 使用者可以按下「新增」按鈕以新增常數或變數. 短按變數將它插入主畫面的編輯器中, 長按會開啟編輯畫面. 可以從從主畫面中的 π,… 按鈕進入.\n\n
+ 3. 函數畫面: 顯示可用的函數. 短按函數將它插入主畫面的編輯器中. 可以從主畫面中的 f(x) 按鈕進入.\n\n
+ 4. 運算子畫面: 顯示所有可用的運算子. 短按運算子將它插入主畫面的編輯器中. 可以從主畫面中的 ∂,… 按鈕進入.\n\n
+ 5. 紀錄畫面: 顯示使用者過去的使用紀錄. 短按項目將它插入主畫面的編輯器中. 可以從主畫面中的 M 按鈕進入.\n\n
+ 6. 設定畫面: 包含程式的設定. 在主畫面中按下選單鍵, 選擇「設定」選項以進入.
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+