- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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Convert Between Radical and Exponential FormConvert exponential form to radical form (and back) and evaluate x^(m/n). Enter base, numerator and denominator to get the nth root of x^m instantly.
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Simplify Square Root to Radical Form CalculatorSimplify any square root into simplest radical form a√b. Enter a number to get the coefficient, radicand, and decimal value instantly.
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Reduced Row Echelon Form (RREF) CalculatorFree RREF calculator. Reduce any matrix (up to 6x6) to reduced row echelon form using Gauss-Jordan elimination and find the matrix rank instantly.
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Exponential Function from Two Points CalculatorFind the exponential equation y=ab^x passing through two points. Enter (x1,y1) and (x2,y2) to solve the base b and coefficient a instantly.
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Binomial Expansion Specific Term CalculatorFind a specific (kth) term in the binomial expansion of (a+b)^n using T(r+1)=C(n,r)·a^(n−r)·b^r. Shows coefficient and term value.
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Decrease a Number by a Percent CalculatorSubtract a percentage from any number instantly. Enter a starting number and a percent to get the reduced value, plus the exact amount of decrease.
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Simplify Algebraic Expression CalculatorSimplify linear algebraic expressions by combining like terms and applying distribution. Enter coefficients and constants to reduce to ax + b form.
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Solve for a Variable (Formula Rearranger)Solve any linear equation of the form a·x + b = c·x + d for x. Handles unique solutions, identities (all values), and no-solution cases instantly.
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Solve for X CalculatorSolve for x in linear (ax + b = c) or quadratic (ax² + bx + c = 0) equations. Get exact roots, the discriminant, and step-by-step formulas.
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Break-Even Point CalculatorFind your break-even point in units where total cost equals total revenue. Enter fixed costs, price, and variable cost per unit to solve instantly.
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Percent Change Between Two Values CalculatorFind the percent change between an original and new value instantly. Calculate percent increase or decrease with the simple (new-old)/|old| x 100 formula.
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Solve b^x = c for xSolve the exponential equation b^x = c for the unknown exponent x using logarithms. Free calculator with the formula x = ln(c)/ln(b) and a worked check.
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Celsius–Fahrenheit Formula CalculatorConvert between Celsius and Fahrenheit using the algebraic formulas F = 9/5 C + 32 and C = 5/9 (F − 32). See each step worked out.
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Discount CalculatorFree discount calculator: enter an original price and percent off to instantly find the sale price and how much money you save.
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Euler's Totient Function CalculatorCompute Euler's totient φ(n) — the count of integers from 1 to n coprime to n — using prime factorization. Free, instant, with worked steps.
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Slope-Intercept Form from a Point and SlopeFind the slope-intercept equation y = mx + b from a known slope and one point. Computes the y-intercept b instantly with steps and examples.
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Modulus of a Complex Number CalculatorFind the modulus (absolute value) of a complex number a + bi using |a+bi| = sqrt(a^2 + b^2). Also shows the argument in radians and degrees.
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Simplify Exponents CalculatorSimplify exponent expressions using the product, quotient, and power rules. Enter a base and two exponents to get the simplified power and its value.
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Quartile and IQR CalculatorFind Q1, Q2 (median), Q3 and the interquartile range (IQR) of any data set. Paste comma or space separated numbers for instant quartile statistics.
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Complete the Pattern: Next Number in Sequence CalculatorFind the next number in a sequence. Automatically detects arithmetic or geometric patterns and predicts the next terms using the common difference or ratio.
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Z-Score CalculatorCalculate the z-score (standard score) of a value with z = (x − μ) / σ. Enter the raw value, mean, and standard deviation to get an instant result.
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Find the Vertex from Standard Form CalculatorFind the vertex (h, k) of a parabola from standard form ax^2 + bx + c. Enter a, b, c to get the turning point and axis of symmetry instantly.
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Range CalculatorFind the range of a data set instantly. Enter your numbers and get the range (max − min), maximum, minimum, and count — free statistics tool.
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X-Intercept CalculatorFind the x-intercept of a line from its slope-intercept equation y = mx + b. Set y = 0 and solve x = −b/m with worked steps.
