# The Calculator app on your iPhone is actually two calculators in one: a basic four-function calculator for addition, subtraction, multiplication, and division, and a scientific calculator for trigonometric calculations, logarithms, square roots, and percentages.

# The Calculator app on your iPhone is actually two calculators in one: a basic four-function calculator for addition, subtraction, multiplication, and division, and a scientific calculator for trigonometric calculations, logarithms, square roots, and percentages.