- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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Evaluate a Function CalculatorEvaluate a quadratic function f(x) = ax² + bx + c at any value x = a. Enter the coefficients and the input to instantly compute f(a) with a term breakdown.
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Find the Linear Function f(x)=mx+b from Two PointsFind the linear function f(x)=mx+b from two points. Enter (x1,y1) and (x2,y2) to compute the slope m and y-intercept b instantly.
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Parabola Vertex CalculatorFind the vertex, focus and directrix of a parabola y=ax²+bx+c. Enter a, b, c to get the turning point and focal geometry instantly.
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Percent Error CalculatorFree percent error calculator. Enter your measured and actual values to find percent error and absolute error with the standard formula instantly.
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Polynomial Multiplication CalculatorMultiply two polynomials instantly. Enter coefficients to get the expanded product polynomial, its coefficient list, and resulting degree.
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2×2 Matrix Determinant CalculatorCompute the determinant of a 2×2 matrix instantly using det = ad − bc. Enter the four entries a, b, c, d and get the result with steps.
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Factor a Trinomial CalculatorFactor a quadratic trinomial ax²+bx+c into a(x−r₁)(x−r₂). Enter a, b, c to get the roots, discriminant, and factored form instantly.
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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.
