A powerful calculator.
A currency tool.
An English-Chinese dictionary using iCiba, Baidu and Youdao.
Source code of eCalculator.
Source code of eCurrency.
Source code of eDictionary.
A Sudoku library written in D.
Still working on.
Sudoku game on iOS. The Sudoku library is written in Objective-C, others are in Swift. Using SpriteKit.
Mozilla Firefox Add-ons | Google Chrome Extensions
The same as eCalculator.Firefox Chrome
A English-Chinese dictionary using iCIBA API.
It is not available on this website for the dynamically request XML from iCIBA, and its forbidden by the Browsers for the safety reason.
Data source: freecurrencyconverterapi.com
A currency tools supporting 97 currencies. Max 9 targets could be counverted to in one time.