Math

441 tools · page 5 of 8

• ⭕Circle From 3 Points Calculator Find the unique circle (circumcircle) passing through three points, returning its center coordinates and radius.
• 📐Exterior Angle Calculator Finds the exterior angle (360/n), interior angle, and the sum of exterior angles for a regular polygon.
• ✖️Polynomial Multiplication Calculator Multiplies two polynomials given by their coefficients (highest degree first) and expands the product into a single polynomial.
• ➕Sum of List Calculator Paste a comma or space separated list of numbers and get the total, count, and average instantly.
• 🔣Truth Table Generator Generate a full truth table for a boolean expression of up to 3 variables (A, B, C) using AND, OR, NOT and XOR operators (words or the symbols &, |, !, ^).
• ➗Alternating Series Test Calculator Applies the Leibniz alternating series test to Σ(-1)ⁿ⁺¹/n^p and reports whether it converges, with the partial sum of the first N terms.
• ➗Percentage Increase Calculator Find the percentage increase or decrease between two values.
• 📐30-60-90 Triangle Calculator Computes all three sides, area and perimeter of a 30-60-90 right triangle from any one known side.
• 📐AAS Triangle Solver Solve a triangle in the angle-angle-side (AAS) case: given two angles and a non-included side, the law of sines yields the third angle, the remaining two sides and the area.
• 📈Euler's Method Calculator Numerically solves the linear ODE y' = a·x + b·y with Euler's method: y_{n+1} = y_n + h·(a·x_n + b·y_n), showing the step table and final point.
• 🔢Perfect Number Finder Find all perfect numbers (equal to the sum of their proper divisors, like 6 and 28) up to a chosen upper limit.
• 💰Capital Recovery Factor Calculator Compute the capital recovery factor (CRF) and the level periodic payment needed to recover a present sum over a number of periods at a given interest rate.
• 🔢Collatz Sequence Calculator Generate the Collatz (3n+1) sequence for any starting number: halve when even, triple-plus-one when odd, until you reach 1. See total steps, the peak value and the full sequence.
• 📈Domain and Range Calculator Finds the domain and range of common function types — linear, quadratic, square root and reciprocal — from their coefficient and constant.
• 🔢Row Echelon Form Calculator Reduces a 3x3 matrix to row echelon form using forward Gaussian elimination with partial pivoting, and reports the rank and determinant.
• 🔢Stirling Number of the First Kind Calculator Computes the unsigned Stirling number of the first kind c(n,k), the count of permutations of n elements with exactly k cycles.
• 📐Bretschneider Quadrilateral Area Calculator Compute the area of a general quadrilateral from its four side lengths and two opposite angles using Bretschneider's formula.
• 📈Improved Euler Method Calculator Perform one step of Heun's improved Euler method for the ODE y' = a·x + b·y, returning the predictor and corrected value.
• 🔢Power of a Power Calculator Applies the power-of-a-power rule (a^m)^n = a^(m·n), simplifying the exponent and computing the numeric value (scientific notation for large results).
• 🧮Quaternion Multiplication Calculator Multiply two quaternions using the Hamilton product and get the resulting quaternion, its magnitude, and its scalar part.
• 🔥Thermochemical Calorie to Joule Converter Converts between thermochemical calories and joules using the exact definition 1 cal_th = 4.184 J, in either direction.
• 🔢Binary to Hexadecimal Converter Convert a binary number to uppercase hexadecimal, or a hex number back to binary, with the decimal value and length.
• 📐Compound Inequality Solver Solve a compound inequality of the form a < bx + c < d for x, automatically flipping the signs when the coefficient is negative.
• 🔢Matrix Norm Calculator Calculates the 1-norm (max column absolute sum) and infinity-norm (max row absolute sum) of a 2x2 matrix, plus its largest absolute entry.
• 🔁Recursive Sequence Calculator Generate the first N terms of a second-order linear recurrence a(n)=p·a(n-1)+q·a(n-2)+r from two seed values.
• 📐Angle of Elevation Calculator Finds the angle of elevation from the horizontal using the height and horizontal distance via arctangent.
• 🔢Matrix Column Space Calculator Enter a 3×3 matrix to find the rank, a basis for the column space (pivot columns) and the determinant via Gaussian elimination.
• ∭Triple Integral Calculator Evaluate the triple integral of a constant integrand k over a rectangular box [x0,x1]×[y0,y1]×[z0,z1]. The result is k times the box volume.
• 🧮Plane from Three Points Calculator Finds the equation of the plane Ax + By + Cz + D = 0 passing through three given points, along with its normal vector.
• 📐Trapezoidal Rule Calculator Approximates a definite integral over [a,b] using the composite trapezoidal rule with n intervals.
• ✖️Dot Product Calculator Calculate the dot product of two 3D vectors.
• 🔢Matrix Subtraction Calculator Subtracts two 2×2 matrices element-wise and reports the difference matrix along with its determinant and trace.
• 📊Percentage Points Calculator Find the gap in percentage points between two percentages, and the relative change.
• 📐Polar to Cartesian Converter Convert polar (r, θ) coordinates to Cartesian (x, y). Polar to Cartesian Converter gives you the result instantly from a simple input.
• ❓What Percent Of Calculator Express one number as a percentage of another.
• ✖️Cartesian Product Calculator Compute the Cartesian product A × B: every ordered pair (a, b) from two comma-separated sets, with the total pair count.
• 🌀Fibonacci Number Calculator Calculate the nth term of the Fibonacci sequence instantly.
• 📈Interval of Convergence Calculator Find the interval of convergence (a−R, a+R) of a power series given its center a and radius of convergence R; the two endpoints must be tested separately.
• 💗Cardioid Area Calculator Computes the area and perimeter of a cardioid r = a(1 + cos θ) from its scale parameter.
• 🪐Conic Section Eccentricity Calculator Finds the eccentricity and focal distance of an ellipse or hyperbola from its semi-axes.
• 🛢️Cylindrical to Cartesian Converter Convert cylindrical coordinates to Cartesian (x, y, z). Cylindrical to Cartesian Converter gives you the result instantly from a simple input.
• 🔢Farey Sequence Generator Lists all Farey fractions of order n in lowest terms between 0 and 1.
• 📐Scale Factor Calculator Finds the linear scale factor between two similar figures and the corresponding area and volume factors.
• ➕2x2 Matrix Addition Calculator Add two 2×2 matrices entry by entry.
• ✳️2x2 Matrix Multiplication Calculator Multiply two 2×2 matrices using the row-by-column rule.
• 🔲2x2 Matrix Transpose Calculator Transpose a 2×2 matrix by swapping its rows and columns.
• ✖️2x2 Scalar Matrix Multiplication Calculator Multiply every entry of a 2×2 matrix by a scalar.
• 🔢4×4 Matrix Determinant Calculator Computes the determinant of a 4×4 matrix using Gaussian elimination with partial pivoting and reports whether the matrix is singular or invertible.
• 📏45-45-90 Triangle Calculator Hypotenuse and area of a 45-45-90 right isosceles triangle from a leg length.
• ➕Abundant Number Checker Find the sum of a number's proper divisors and determine whether it is an abundant number (also called an excessive number).
• 🧩Add Fractions Calculator Add two fractions and get the result in lowest terms.
• 🌙Arc Length Calculator (Degrees) Length of a circular arc from its radius and angle in degrees.
• 📏Arccosine Calculator Find the angle whose cosine equals a value, in degrees and radians.
• 🔭Arcseconds to Radians Converter Convert arcseconds to radians, degrees instantly with this fast, accurate unit converter.
• 📏Arcsine Calculator Find the angle whose sine equals a value, in degrees and radians.
• 📏Arctangent Calculator Find the angle whose tangent equals a value, in degrees and radians.
• 🔢Arithmetic Sequence Term Calculator Calculate any term of an arithmetic sequence from the first term, common difference, and term position.
• ⭐Astroid Area Calculator Computes the area enclosed by an astroid and its total curve length from the radius parameter.
• 🧭Atan2 Calculator Calculate the angle of a point from its x and y coordinates, in degrees and radians.
• 🔢Babylonian Base-60 Converter Converts a decimal whole number into Babylonian base-60 (sexagesimal) place values, the way the ancient Babylonians wrote numbers.