Math & Geometry
Math & Geometry Calculators
Math, algebra, geometry, statistics, trigonometry, and probability calculators.
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60 published calculators
Math & Geometry
2D Geometry
Annulus Area Calculator
Calculate the area of a ring from its outer and inner radii.
Open calculator →Arc Length Calculator
Calculate circular arc length from radius and central angle in degrees.
Open calculator →Circle Area Calculator
Calculate the area of a circle from its radius.
Open calculator →Circle Circumference Calculator
Calculate a circle circumference from its radius.
Open calculator →Composite Area Calculator
Calculate a composite area by adding up to three rectangular sections and subtracting one rectangular cutout.
Open calculator →Ellipse Area Calculator
Calculate the area of an ellipse from its semi-major and semi-minor axes.
Open calculator →Heron's Formula Calculator
Calculate the area of a triangle from all three side lengths using Heron’s formula.
Open calculator →Kite Area Calculator
Calculate kite area from the lengths of its two perpendicular diagonals.
Open calculator →Parallelogram Area Calculator
Calculate parallelogram area from base length and perpendicular height.
Open calculator →Rectangle Calculator
Calculate rectangle area and perimeter from length and width.
Open calculator →Regular Polygon Calculator
Calculate the area and perimeter of a regular polygon from its side count and side length.
Open calculator →Rhombus Area Calculator
Calculate rhombus area from the lengths of its two diagonals.
Open calculator →Sector Area Calculator
Calculate the area of a circular sector from radius and central angle.
Open calculator →Square Calculator
Calculate square area and perimeter from side length.
Open calculator →Trapezoid Area Calculator
Calculate the area of a trapezoid from its two parallel bases and perpendicular height.
Open calculator →Triangle Calculator
Calculate triangle area from base and height.
Open calculator →Math & Geometry
Algebra
Arithmetic Sequence Calculator
Calculate the nth term and sum of the first n terms of an arithmetic sequence.
Open calculator →Direct Variation Calculator
Find the constant of direct variation and predict a corresponding y-value when y = kx.
Open calculator →Discriminant Calculator
Calculate the discriminant of a quadratic equation and classify its roots.
Open calculator →Distance Between Points Calculator
Calculate the straight-line distance between two points on a coordinate plane.
Open calculator →Geometric Sequence Calculator
Calculate the nth term and sum of the first n terms of a geometric sequence.
Open calculator →Inequality Calculator
Solve a one-variable linear inequality of the form ax + b <, ≤, >, or ≥ c.
Open calculator →Inverse Variation Calculator
Find the constant of inverse variation and predict a corresponding y-value when y = k/x.
Open calculator →Linear Equation Calculator
Solve a one-variable linear equation in the form ax + b = c.
Open calculator →Midpoint Calculator
Find the midpoint between two points in a coordinate plane.
Open calculator →Point-Slope Form Calculator
Create the equation of a line from a slope and one point.
Open calculator →Polynomial Roots Calculator
Find the roots of a linear, quadratic, or cubic polynomial by entering coefficients for ax³ + bx² + cx + d = 0.
Open calculator →Proportional Relationship Calculator
Check whether two ordered pairs share the same constant of proportionality y/x.
Open calculator →Quadratic Formula Calculator
Solve a quadratic equation ax² + bx + c = 0 using the quadratic formula.
Open calculator →Sequence Sum Calculator
Calculate the sum of an arithmetic sequence from its first term, last term, and number of terms.
Open calculator →Slope Calculator
Calculate slope from rise and run, including percent grade and angle.
Open calculator →Slope-Intercept Form Calculator
Find the slope-intercept equation of a nonvertical line through two points.
Open calculator →System of Equations 2x2 Calculator
Solve two linear equations in two unknowns using determinants.
Open calculator →System of Equations 3x3 Calculator
Solve three linear equations in three unknowns using determinants.
Open calculator →Math & Geometry
Arithmetic & Numbers
Absolute Value Calculator
Find the absolute value of any positive, negative, or zero numeric value.
Open calculator →Antilogarithm Calculator
Calculate the antilogarithm for a logarithmic value and a valid base.
Open calculator →Basic Arithmetic Calculator
Add, subtract, multiply, or divide two numbers with a simple arithmetic calculator.
Open calculator →Cube Root Calculator
Calculate the real cube root of a positive, zero, or negative real number.
Open calculator →Engineering Notation Calculator
Express a real number using a power-of-ten exponent that is a multiple of three.
Open calculator →Exponent Calculator
Raise a real-number base to a real-number exponent and calculate the resulting power when the result is finite.
Open calculator →Factorial Calculator
Calculate n factorial for a non-negative integer.
Open calculator →Greatest Common Factor Calculator
Find the greatest common factor of two positive integers using the Euclidean algorithm.
Open calculator →Least Common Multiple Calculator
Find the least common multiple of two positive integers.
Open calculator →Logarithm Calculator
Calculate the logarithm of a positive number for any valid positive base other than one.
Open calculator →Modulo Calculator
Find the non-negative modulo of one number by a positive divisor.
Open calculator →Nth Root Calculator
Calculate the real nth root of a number for an integer root degree of two or greater.
Open calculator →Positive or Negative Number Calculator
Classify a numeric value as positive, negative, or zero.
Open calculator →Prime Factorization Calculator
Break a positive integer into its prime factors.
Open calculator →Prime Number Calculator
Determine whether a non-negative integer is prime.
Open calculator →Remainder Calculator
Calculate the integer quotient and signed remainder when one integer is divided by another.
Open calculator →Scientific Notation Calculator
Express a real number in normalized scientific notation as a coefficient times a power of ten.
Open calculator →Square Root Calculator
Calculate the principal square root of a non-negative real number.
Open calculator →Math & Geometry
Fractions & Decimals
Decimal Place Value Calculator
Identify the digit and numerical contribution at a selected decimal place.
Open calculator →Decimal to Fraction Calculator
Convert a terminating decimal to a simplified fraction.
Open calculator →Fraction Calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
Open calculator →Fraction to Decimal Calculator
Convert a fraction to its decimal value.
Open calculator →Improper Fraction Calculator
Convert a mixed number to a simplified improper fraction.
Open calculator →Mixed Number Calculator
Convert an improper fraction to a simplified mixed number.
Open calculator →Repeating Decimal to Fraction Calculator
Convert a repeating decimal pattern to a simplified fraction by separating non-repeating and repeating digits.
Open calculator →Rounding Calculator
Round a number to a selected number of decimal places.
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