Calculate VAT amount and price including or excluding VAT for any rate.

Calculate GST (Goods and Services Tax) amount, add GST to a price, or remove GST from a pr

Add, subtract, multiply and divide fractions. Get results in simplified form with step-by-

Calculate total and per-serving calories by adding ingredients with their quantities.

Add or subtract any number of days from a date to find a future or past date instantly.

Add, subtract, multiply 2×2 and 3×3 matrices and calculate the determinant instantly.

Calculate network address, broadcast address, host range, and number of hosts for any IPv4

Perform addition, subtraction, multiplication and division on binary numbers with step-by-