This is a quadratic equation solver.You enter the 3 variables and press the button and it calculates you're answer.If you don't know what a quadratic equation is visit : http://en.wikipedia.org/wiki/Quadratic_equation .Please inform me about any problem with the app so I can fix it.
Fixed! Now you can type the - character.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
