Calculate fair clean and dirty bond market valuations from coupon and yield.

Calculate Macaulay and Modified Duration to measure fixed-income rate risk.

Measure bond price curvature and refine interest rate sensitivity models.

Compute accrued interest and total dirty invoice price required to settle bond trades between coupon dates.

Calculate your BMI (Body Mass Index) instantly. Enter height and weight in metric or imperial units. See your BMI category, healthy weight range, and interpretation.

Discover how switching to 26 biweekly half-payments shaves 4 to 6 years off your mortgage and saves massive interest.

Calculate Bitcoin value in USD, EUR, INR, GBP. Convert fiat to BTC instantly.

Perform arithmetic operations on binary numbers. Add, subtract, multiply, and divide binary values with step-by-step conversion to decimal and hexadecimal.

Calculate weighted average cost per share across multiple asset purchases.

Calculate mean, median, mode, range, and standard deviation from a set of numbers.