Joseph Mak

This app lets you experiment with mathematics through 23 little demonstrations. See the number line in action. Select two points on a line to get the …

This app lets you plot functions f(x). Graph lines, parabolas, trig functions and more.免費玩Graph 2D APP玩免費免費玩Graph 2D AppGraph 2D APP LOGOGraph 2D APP …

This app quizzes the 4 basic math operations and provides explanations in number line demonstration as well as the pencil-and-paper method. Level 1: o …

This app is a reader for the classic 300 Tang Poems, in traditional Chinese.免費玩300 Tang Poems APP玩免費免費玩300 Tang Poems App300 Tang Poems APP LOGO300 Ta …

This app keeps tracks of number of days past for your events. Use this to remind yourself how many days has past since your last oil change, clean up, …

This app allows you to draw with your fingers. You can also draw straight lines, ovals and rectangles, and use additional effects such as blur and emb …