Calculator XplusY is a smart, customizable calculator designed for professionals, students, and advanced users who need more than basic math.

Create and save your own formulas, design custom buttons, and access a growing library of predefined calculations across multiple disciplines.

Key features:
- Custom formulas with dynamic input buttons
- Predefined calculations in finance, engineering, physics, geodesy, unit conversions, electromobility, and more
- Real-time currency conversion with exchange rate API
- Clean and intuitive interface with dark mode support
- Apple Watch and Widget integration
- Offline functionality for core features

Whether you're calculating ROI, converting slope percentages, or working with geodetic coordinates, XplusY gives you the power to calculate your way.

Download now and build your own logic.