Calculate tips and totals for bills with instant tip computation. Set custom state tax rates for precise calculations. Save default tip percentages for different service levels.
Calculate tips and checks with precise itemized breakdowns. Assign items to specific group sizes and adjust contributions instantly. Customize calculations with built-in state and city tax data.
Perform complex calculations with a scientific featuring parentheses and functions. Convert units across categories like length, weight, and temperature. Calculate percentages, fractions, and exponents. View editable history and switch between modes.