二次方程式電卓

Easy to use small Calculator for quadratic equations, that does what it is supposed to do, not more not less.

Please Note: To input a Minus ("-") on Samsung-Devices, you have to double tap on the ".-" -Button of the keyboad. You can find further instructions in the "Help" section of the app. This is not a bug, it is a feature of the Samsung-Keyboard, that is preinstalled on all Samsung-Devices.

MADE IN GERMANY

Please Note: This application is not yet optimized for tablets.