DaCalc - Calculate formulas like, x*(2+3)-y/5.
After input the values of variables x and y, you can get the result of the formula by pressing =.
It is easy to calculate tips, tax and etc.
You can create your own formulas by click menu->edit, then save it
AdjBrightness - Adjust screen brightness for *rooted* Android devices. Set the value from 2 ~ 255 just as you like. Auto restore brightness after screen on. Also can lock the brightness