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85 calculators found
Calculate the perimeter of rectangles, squares, and other polygons
Calculate the area of rectangles, squares, circles, and triangles
Calculate the circumference of a circle using radius or diameter
Calculate the radius of a circle from diameter, circumference, or area
Calculate the area of a circle using radius, diameter, or circumference
Calculate the distance between two points using the distance formula with step-by-step solutions
Calculate angle between two vectors in 2D or 3D using dot product.
Calculate vector direction angle in 2D or 3D using atan2 or direction angles.
Calculate the diagonal length of a rectangle using length and width with step-by-step solutions
Calculate area, perimeter, interior angles, exterior angles, apothem, and all properties of regular polygons
Calculate volume, surface area, lateral area, and diagonal of rectangular prisms with solutions.
Calculate the hypotenuse of a right triangle using the Pythagorean theorem with step-by-step solutions
Calculate triangle angles using Law of Cosines, Law of Sines, coordinates, or area formulas.
Convert Ax + By = C to slope-intercept form y = mx + b.
Calculate the midpoint between two points on a coordinate plane
Calculate the distance between two points using the distance formula
Find vertex, focus, directrix, and other properties of a parabola from its equation
Convert quadratic equations from standard to vertex form using completing the square method.
Calculate the slope of a line between two points or from coordinates
Calculate slope percentage from rise/run, two points, or slope value for construction and surveying.
Calculate the surface area of a triangular prism from its dimensions
Calculate volume for rectangular prisms and triangular pyramids
Find missing sides of similar triangles using proportions and scale factors
Calculate triangle area using Heron's formula when you know all three side lengths
Find two numbers that add to a given sum and multiply to a given product
Solve proportions using cross multiplication to find missing values in ratios
Calculate exponential functions, growth, decay, and compound interest with instant results for exponential equations.
Convert between scientific notation and standard form, expand and simplify numbers
Convert numbers to scientific notation and perform arithmetic operations with decimal form conversion support.
Round decimal numbers to the nearest cent (2 decimal places) for currency calculations
Round numbers to nearest thousand with different rounding methods for population and statistics calculations.
Calculate the modular multiplicative inverse of a number modulo n using the extended Euclidean algorithm
Solve inverse variation for y, k, or x from two values.
Calculate triangular pyramid volume from base area and height or edge lengths.
Calculate average rate of change between two points using the slope formula.
Calculate the quotient and remainder when dividing two numbers with step-by-step results
Calculate the remainder when dividing two numbers using modulo operation
Solve systems of simultaneous congruences using the Chinese Remainder Theorem algorithm
Calculate the volume of a hemisphere using the radius with step-by-step calculations
Calculate the volume of a sphere using radius or diameter with step-by-step solutions
Calculate linear regression using least squares method. Find best-fit line, correlation coefficient, and make predictions
Calculate binomial coefficients C(n,k) for combinations and choosing k items.
Calculate square of binomial expression using (a+b)๏ฟฝ formula with step-by-step algebra solutions.
Compare two numbers to determine which is greater, less than, or equal to the other
Calculate the sum of arithmetic, geometric, and custom series with step-by-step solutions
Solve proportions, check if ratios are proportional, or calculate scale factors with step-by-step solutions
Calculate the area of a semicircle using radius, diameter, or circumference with step-by-step solutions
Find the greatest common factor using the Euclidean algorithm.
Calculate sides, area, and perimeter of 45-45-90 isosceles right triangles with step-by-step solutions.
Calculate sides, area, and perimeter for 45-45-90 and 30-60-90 special right triangles.
Calculate nth term and sum of a geometric sequence.
Calculate nth term and sum of arithmetic sequence using common difference with step-by-step solutions.
Convert between point-slope form, slope-intercept form, and standard form of linear equations with step-by-step solutions
Find equation of a circle from center and radius or three points.
Calculate any right triangle side using the Pythagorean theorem.
Calculate the length of an arc using radius and central angle with step-by-step solutions
Calculate percentages, percentage changes, and percentage relationships with step-by-step solutions
Calculate arithmetic, geometric, harmonic, and weighted averages with step-by-step solutions
Convert between decimals, percentages, and fractions with step-by-step solutions
Calculate trig functions sin, cos, tan, csc, sec, cot for angles.
Calculate missing sides and angles in right triangles using Pythagorean theorem and trigonometry
Calculate sides, angles, area, perimeter, and height of an isosceles triangle.
Calculate surface area of cube, prism, cylinder, sphere, cone, and triangular prism.
Calculate triangle height using base/area, three sides, or trigonometry with step-by-step solutions.
Calculate significant figures, round numbers, and perform arithmetic operations while maintaining proper precision
Calculate doubling time from growth rate using Rule of 70 or logarithms.
Calculate logarithms: ln, log10, or any base.
Calculate golden ratio, scale values, or golden rectangle dimensions.
Calculate area, perimeter, side length, apothem, and diagonal of a regular hexagon with step-by-step solutions
Calculate area, perimeter, side length, apothem, and diagonal of a regular octagon with step-by-step solutions
Work with slope-intercept form equations, find slope, y-intercept, convert forms with step-by-step solutions.
Calculate equilateral triangle area, perimeter, height, and side length.
Multiply two or more numbers with accurate results and steps.
Calculate hyperbolic sine (sinh) values for any number.
Calculate error function erf or erfc with high precision.
Calculate the error bound for Taylor polynomial approximations using Lagrange remainder formula
Calculate percent error between measured and true values.
Calculate percentage difference between two values for comparisons.
Calculate cylinder volume using radius and height with step-by-step calculations and formulas.
Calculate arithmetic mean of a set of numbers.
Calculate what percentage one time period is of another.
Add, subtract, multiply, divide, and simplify fractions with step-by-step calculations and decimal conversions.
Reduce fractions to lowest terms with step-by-step calculations, GCD finder, and decimal conversions.
Find least common denominator for fractions and convert to equivalent fractions with step-by-step solutions.
Convert between decimal and two's complement binary representation for 8-bit, 16-bit, and 32-bit formats.