BigBigCalculator app for iPhone and iPad

BigBigCalculator is a big button calculator. Its easy to use and you can enter calculation quickly. Now its not only a normal calculator or a engineering calculator, but also a currency converter. You can set the mode to normal or currency to switch the calculating function. You also can set currency which you want to convert and you can update the currency rate over 3G or WIFI. And this time we wish you have a big button calculator, but you can get more information from the calculator. So we change the view style for the calculation and result. And now you can flip up or down in calculation view or result to show the all calculation and result. So I hope these changes will help you more friendly to use it.

features:
1. The big button which you can input easily
2. adding ( , ) , sin , cos , tan , sinh , cosh , tanh , x^y , x√y , x! , % , ± , pi , √ , log , ln , exp ...etc.
3. providing [1st] , [2nd] switch button to change the calculating function.
4. The bigger calculating result , It use scientific expression [ d.ddddE±dd ].
5. Add comma character in the calculating result , and it could improve reading calculating result.
6. After calculating , you could input the next calculating without pressing the AC button.
7. Change the button color with different functions.
8. Provide calculating history which you can check it out in next calculating.
9. Provide normal mode and currency converter mode.
10. Enable you online updating currency rate.

Thanks for your support. We will add more useful function in the future.

大按鍵計算機是一個提供大按鈕的app,他可以讓你快速的輸入你要的算式,且容易使用。現在它不只是一個一般的計算機或是一個工程計算機,而且是一個匯率換算的計算機。你可以在設定的地方將計算模式改為一般或是匯率,並且你可以透過 3G 或 WIFI 網路更新最新的匯率。我們為了可以保留大按鍵,但也希望可以提供更多的資訊顯示,所以這次更新調整了算式與答案的顯示區塊,你可以在算式顯示區往上或往下滑動,即可檢視算式與答案,可以更方便的來檢視算式輸入是否正確。

特色說明:
1. 保持大按鍵,輸入方便不易出錯
2. 增加 , ) , sin , cos , tan , sinh , cosh , tanh , x^y , x√y , x! , % , ± , pi , √ , log , ln , exp 等計算功能
3. 使用 [1st] [2nd] 功能鍵,可切換計算功能
4. 大按鍵計算機已經同時支援 iphone , ipod , ipad 等。
5. ipad 版本除了大按鍵的特色之外,特別將算式與計算結果分開顯示,計算時同時看到算式與答案。
6. 計算結果增加逗號分隔字元,方便對於大數目的判讀
7. 計算後,可以不需要按 AC 歸 0,就可以繼續輸入下一個計算。
8. 對於不同性質的按鍵給予不同的按鈕顏色,增加輸入的正確性。
9. 支援計算歷史紀錄,並可取出舊有的算式或答案應用在下次的計算中
10. 提供一般與匯率換算兩種模式
11. 提供線上更新匯率功能