Touch-Cal Calculator

Key Features:

-Scientific calculator, unit converter and 2D graphing for equation with one variable

-Easy to access the history by swiping across the enter bar

-Enter bar can be dragged down to show more

-Easy to navigate through a long equation through the navigation pad

-Quick to convert the calculating result into different units

-Plot the equation

-Easy to use with one hand


Future:

-More features are coming such matrix algebra, more units supported, and more plotting modes