Math & Calculator
Scientific calculators, loan interest, ROI, and more mathematical tools.
Percentage Calculator
Calculate percentages, percentage of a number, and percentage change
Loan Calculator
Calculate monthly payments, total interest, and amortization schedule
Tip Calculator
Calculate tips and split bills between multiple people
Scientific Calculator
Full-featured scientific calculator with trigonometry, logarithms, and history
Compound Interest Calculator
Calculate compound interest with detailed yearly breakdown
ROI Calculator
Calculate return on investment with annualized ROI and visual comparison
Discount Calculator
Calculate sale price and savings from a discount
Average Calculator
Calculate mean, median, mode and other statistical averages
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results
GCD & LCM Calculator
Calculate the Greatest Common Divisor and Least Common Multiple
Prime Number Checker
Check if a number is prime, find prime factorization, or list primes in a range
Fibonacci Generator
Generate Fibonacci numbers by count or up to a maximum value
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal
Equation Solver
Solve linear and quadratic equations with step-by-step results
Ratio Calculator
Solve ratios, find missing values, and simplify ratios with visual breakdown