Math
441 tools · page 8 of 8
- Smith Number Checker Check whether a composite number's digit sum equals the digit sum of its prime factors (a Smith number).
- Spherical Excess Calculator Computes the spherical excess (sum of the three angles minus 180°) of a spherical triangle and the corresponding surface area on a sphere of radius R.
- Spherical to Cartesian Converter Convert spherical coordinates to Cartesian (x, y, z). Spherical to Cartesian Converter gives you the result instantly from a simple input.
- Square Number Calculator Squares an integer and tells you whether it is a perfect square, its exact square root, and the nearest perfect square.
- Square Root Simplifier Reduce a square root to its simplest radical form.
- Square-Free Number Checker Check whether an integer is square-free — not divisible by any perfect square greater than 1.
- Sum of Cubes Calculator Calculate the series total 1³ + 2³ + … + n³ instantly.
- Sum of Even Numbers Calculator Calculate the sum and count of even numbers up to n.
- Sum of Interior Angles Calculator Total interior angle sum of a polygon from its number of sides.
- Sum of Natural Numbers Calculator Calculate the total of natural numbers from 1 to n instantly.
- Sum of Odd Numbers Calculator Calculate the sum and count of odd numbers up to n.
- Sum of the First n Squares Calculator Calculate the series total 1² + 2² + … + n² instantly.
- Synthetic Division Calculator Divide a polynomial by a linear factor (x − r) using synthetic division, returning the quotient coefficients and the remainder.
- Tangent Length Calculator Calculate the length of a tangent segment drawn from a point outside a circle to the point of tangency, using the distance to the center and the circle's radius.
- Three-Term Ratio Calculator Simplifies a three-part A:B:C ratio and shows each term's percentage share of the whole.
- Triangle Area from Coordinates Calculator Calculate a triangle’s area from vertex coordinates via the shoelace method.
- Triangle Centroid Calculator Calculate the centroid of a triangle from its three vertex coordinates.
- Triangle Perimeter Calculator Add the three side lengths of a triangle to get its perimeter and checks whether the sides form a valid triangle.
- Two’s Complement Calculator Compute the two’s complement binary representation of a number.
- Volume of Revolution (Disk Method) Calculator Computes the volume of the solid formed by revolving the line y = m·x + c about the x-axis over the interval [a, b] using the disk method.
- Weighted Average Calculator (Values and Weights) Find the weighted average when each value carries a different importance — enter your values and matching weights to get an accurate, weighted result for grades, scores, or portfolios.