Free percentage calculator: calculate what percent one number is of another, find percentage increases and decreases, and solve percent problems. Fast and accurate.
Free grade calculator: calculate your weighted grade average and track your academic performance. Add multiple assignments with different weights to find your overall course grade.
Free tip calculator: calculate the perfect tip amount for any bill percentage. Split the bill among any number of people. Ideal for restaurants, bars, and group dining.
Free basic online calculator for everyday arithmetic: addition, subtraction, multiplication, and division. Simple, clean interface for quick calculations.
Free online scientific calculator with trigonometric, logarithmic, exponential, and statistical functions. Perfect for students, engineers, and professionals.