Quadratic Equation Solver Simple Quadratic Equation (ax² + bx + c = 0) Solving Tool. 💾 Download Binary Release 📝 Note This was the first C# .NET Winforms application I ever made 😀. 🚀 Development Language: C# 4.0 Framework: .NET Framework 4.0 / WinForms IDE: Visual Studio 2010 📄 License Licensed under MIT License.