Math Formula Encyclopedia
Search, understand, and use formulas across arithmetic, algebra, geometry, trigonometry, calculus, statistics, finance, science, engineering, and everyday math.
16 matching formulas
Sine Ratio
Right-triangle sine ratio.
Open formula →TrigonometryCosine Ratio
Right-triangle cosine ratio.
Open formula →TrigonometryPythagorean Identity
Fundamental identity connecting sine and cosine.
Open formula →TrigonometryLaw of Sines
Relates sides and opposite angles in any triangle.
Open formula →TrigonometryLaw of Cosines
Generalizes the Pythagorean theorem to any triangle.
Open formula →Finance & BusinessFuture Value
Future value under periodic compounding.
Open formula →Finance & BusinessPresent Value
Present value of a future amount.
Open formula →Finance & BusinessLoan Payment
Fixed payment for a fully amortizing loan.
Open formula →Finance & BusinessDebt-to-Income Ratio
Common affordability ratio.
Open formula →Finance & BusinessMarkup Percentage
Markup measured relative to cost.
Open formula →Finance & BusinessProfit Margin
Profit measured relative to revenue.
Open formula →Finance & BusinessBreak-Even Units
Units required to cover fixed and variable costs.
Open formula →Finance & BusinessCAGR
Smoothed annualized growth rate.
Open formula →TrigonometryDouble-Angle Sine
Common reference identity or relationship used in trigonometry.
Open formula →TrigonometryDouble-Angle Cosine
Common reference identity or relationship used in trigonometry.
Open formula →Finance & BusinessRule of 72
Common reference identity or relationship used in finance & business.
Open formula →