- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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e^x CalculatorFree e^x calculator. Enter any value of x and instantly compute e raised to the power x (the exponential function) with high precision.
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Inverse Function CalculatorFind the inverse f⁻¹(x) of a linear or rational function f(x)=(ax+b)/(cx+d). Get the inverse formula and evaluate it at any x value instantly.
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Composite Function Calculator (f∘g)(x)Compute composite functions (f∘g)(x) = f(g(x)) for two quadratic functions at any value of x. Also shows g(x), f(x), and (g∘f)(x).
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Domain and Range CalculatorFind the domain and range of linear, quadratic, rational, and square root functions instantly. Enter coefficients and get exact interval notation.
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Perpendicular Slope CalculatorFind the slope of a line perpendicular to another instantly. Enter the original slope and get the negative reciprocal using m⊥ = -1/m.
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Exponential Growth CalculatorCalculate exponential growth with N(t)=N₀·(1+r)^t. Enter an initial value, growth rate, and number of periods to find the compounded final value.
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Distance = Rate × Time CalculatorSolve d = r × t instantly. Find distance, rate (speed), or travel time from any two known values. Free, fast, and works with any consistent units.
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Vertex of a Parabola CalculatorFind the vertex (h, k) of a parabola y = ax² + bx + c instantly. Computes x = -b/(2a) and the vertex y-value, plus the vertex form.
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Two-Step Equation CalculatorSolve any two-step linear equation of the form ax + b = c instantly. Enter a, b, and c to find x with clear step-by-step working.
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Y-Intercept CalculatorFind the y-intercept (b) of a line from its slope and one point. Enter m, x₁ and y₁ to get b = y₁ − m·x₁ and the full y = mx + b equation.
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Sum and Difference of Cubes Factoring CalculatorFactor a³ + b³ and a³ − b³ instantly. Enter a and b to get the linear and trinomial factors plus the numeric value, with worked steps.
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Geometric Sequence nth Term CalculatorFind the nth term of a geometric sequence using aₙ = a₁·r^(n-1). Enter the first term, common ratio, and position to get the term value and sum.
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Line of Best Fit CalculatorFind the line of best fit (y = mx + b) using least-squares linear regression. Enter X and Y data to get slope, intercept, correlation r, and R².
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Factorial CalculatorFree factorial calculator. Enter a non-negative integer n and instantly compute n! = 1×2×3×…×n. Fast, accurate, and easy to use online.
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Axis of Symmetry CalculatorFind the axis of symmetry of a parabola y = ax² + bx + c using x = −b/(2a). Enter a, b, c to get the symmetry line and vertex point instantly.
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Percent Change CalculatorCalculate the percent change between two values with the formula (new − old) / old × 100. Get increase or decrease percentage and absolute change instantly.
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Percent of a Number CalculatorCalculate what p% of any number n is instantly. Enter a percentage and a number to find the result using result = (p/100) × n.
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Permutation (nPr) CalculatorCalculate permutations nPr = n! / (n−r)! instantly. Find the number of ordered arrangements when choosing r items from n. Free, fast, and accurate.
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Finite Geometric Series Sum CalculatorCompute the sum of the first n terms of a geometric series with Sₙ = a₁(1−rⁿ)/(1−r). Enter first term, common ratio, and number of terms.
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Half-Life Decay CalculatorCalculate remaining quantity after radioactive or exponential decay using half-life. Get fraction remaining, amount decayed, decay constant and mean lifetime.
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Midpoint CalculatorFind the midpoint of a line segment between two points (x₁,y₁) and (x₂,y₂) instantly using the midpoint formula. Free, fast, step-by-step.
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Linear Equation Solver (ax + b = c)Solve any linear equation of the form ax + b = c instantly. Enter the coefficients a, b and c to find x = (c − b) / a with full steps.
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Multiply Powers with the Same Base CalculatorFree calculator to multiply powers with the same base using a^m × a^n = a^(m+n). Add the exponents and get the simplified result instantly.
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N-by-N System of Linear Equations Solver (LU Decomposition)Solve a system of n linear equations in n unknowns A·x = b. Uses LU decomposition with partial pivoting for the unique solution vector x and determinant.
