Simple, Drag & Drop hiragana katakana play card with emphasis on color gradation as a helper to remember each element with the color. it is proven that color helps the subject to memorize the pattern much faster.

The human resource system designed to record attendance, manage the employee and change the salary component of each branch. It's included with an interactive table that is compatible with Microsoft Excel to ease the data input. This application also functioning as a payslip generator. each employee will be able to login to their account to download the payslip and applying for cash advances.

the online judge, a product of multiple collaboration between programming club members. the code resides on the university domain and I don't have access to the code. the purpose of the web apps is to works as a training platform for competitive programming.

Random Color-Blind Test, a web application implemented in angular JS. the target is to detect the color deficiency early. furthermore, it will increase the reliability of the test since a conventional color-blind test can be easily memorized. I also try to use shape to help an early detection of the illiterate subjects such as 1-3 years old children.