Math Formulas
Your complete reference for mathematical formulas. From basic algebra to advanced calculus—find every formula you need in one place.
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Geometry Formulas
Area of a Circle
A = πr²Circumference of a Circle
C = 2πrArea of a Triangle
A = ½bhArea of a Trapezoid
A = ½(a + b)hArea of a Parallelogram & Rhombus
A = b × hPythagorean Theorem
a² + b² = c²Volume of a Sphere
V = (4/3)πr³Surface Area of a Sphere
A = 4πr²Volume of a Cylinder
V = πr²hSurface Area of a Cylinder
A = 2πrh + 2πr²Volume of a Cone
V = ⅓πr²hVolume of a Rectangular Prism & Cube
V = l × w × h📍
Coordinate Geometry Formulas
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Algebra Formulas
Quadratic Formula
x = (-b ± √(b²-4ac)) / 2aCombinations Formula (nCr)
C(n,r) = n! / (r!(n-r)!)Permutations Formula (nPr)
P(n,r) = n! / (n-r)!Binomial Theorem
(a+b)ⁿ = Σ C(n,k)·aⁿ⁻ᵏ·bᵏExponent Laws & Rules
aᵐ × aⁿ = aᵐ⁺ⁿArithmetic Sequence Formula
aₙ = a₁ + (n - 1)dGeometric Sequence Formula
aₙ = a₁ × rⁿ⁻¹Logarithm Rules & Properties
log(xy) = log(x) + log(y)💰
Financial Math Formulas
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