The Best alternative to native Mac calculator. CalcMadeEasy is versatile app which makes it easy to do financial planning/decision making, scientific/mathematical calculations, unit conversions and notes. It’s like 4 apps in 1. Once start using this, you won’t go to other calculator. It has easy to use interface for easy navigation, built-in auto-note taking capabilities which will automatically record calculations. Full keyboard support. Both Free and Pro versions available, visit AppStore for details.