Calculator: Basic + Scientific

Calculator: Basic + Scientific is a clean, easy-to-use calculator built for everyday math and more advanced calculations.

Features:
- Basic arithmetic — addition, subtraction, multiplication, division, percentages
- Scientific mode — sin, cos, tan, square root, logarithms, natural log, π, e, and exponents
- Calculation history — automatically saved, even after closing the app
- Tap any past result to reuse it instantly
- Copy or share results with one tap
- Clean, minimal design with haptic feedback

Whether you need a quick everyday calculation or a scientific function for schoolwork, this calculator keeps things simple and fast.