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Function Calculators

51 free function calculators for domain, range, inverse, composition, parity, and graph analysis.

Function Tools 51 tools

Function Parity Calculator
Determine if a function is even, odd, or neither with f(-x) analysis
Function Monotonicity Calculator
Analyze increasing/decreasing behavior and find monotonic intervals
Function Domain Calculator
Automatically find the domain of various function types
Function Range Calculator
Find function range based on vertex and opening direction
Inverse Function Calculator
Swap x and y to derive the inverse function expression
Composite Function Decomposer
Split composite functions into outer and inner layers with nesting analysis
Function Graphing Calculator
Plot and analyze linear, quadratic, cubic, and sine functions with key points
Limit Solver
Compute limits of rational, trig, exponential, and polynomial functions
Derivative Calculator
Differentiate polynomial, trig, exponential, and logarithmic functions
Integral Calculator
Compute antiderivatives of polynomial, trig, exponential, and reciprocal functions
Asymptote Finder
Find vertical and horizontal asymptotes of rational functions
Zero Root Calculator
Find roots and x-intercepts of linear, quadratic, cubic, and rational functions
Intercept Calculator
Find x-intercepts and y-intercepts of linear, quadratic, and rational functions
Extrema Calculator
Find minima and maxima of quadratic and cubic functions via vertex and derivatives
Monotonicity Checker
Determine increasing and decreasing intervals for common function types
Continuity Tester
Check function continuity at points and over domain with limit analysis
Inflection Point Calculator
Find inflection points of cubic and quartic functions via second derivative
Concavity Analyzer
Analyze concave up and concave down intervals using second derivative
Period Calculator
Compute period, amplitude, and frequency of trigonometric functions
Symmetry Checker
Test if functions are even, odd, or neither via f(-x) analysis
Inverse Function Solver
Compute f^{-1}(x) by swapping x and y and solving for y
Composite Function Evaluator
Evaluate f(g(x)) numerically at a given x value step by step
Piecewise Function Solver
Evaluate piecewise-defined functions at any x with branch selection
Rational Function Simplifier
Simplify rational expressions, cancel factors, and find holes
Exponential Function Solver
Solve a^x=b and evaluate exponential functions using logarithms
Logarithmic Function Solver
Solve log_a(x)=b and evaluate logarithmic functions
Taylor Series Calculator
Compute Taylor series expansion around a center point up to n terms
Maclaurin Series Calculator
Expand functions in Maclaurin series (Taylor at x=0)
Implicit Differentiation Solver
Compute dy/dx for implicitly defined equations step by step
Parametric Derivative Calculator
Compute dy/dx and d^2y/dx^2 for parametric curves
Higher Order Derivative Solver
Compute 1st to 5th order derivatives of common functions
One-Sided Limit Calculator
Compute left-hand and right-hand limits of functions
Absolute Extrema Finder
Find global min and max of functions on closed intervals
Relative Extrema Finder
Find local minima and maxima using derivative tests
Bounded Function Checker
Check if functions are bounded above or below on intervals
Convex Function Verifier
Verify convexity and concavity using second derivative test
Concave Function Checker
Check if f(x) <= 0 for concavity of common functions
Strictly Convex Analyzer
Verify if f(x) > 0 (strictly convex) for common functions
Strictly Concave Analyzer
Verify if f(x) < 0 (strictly concave) for common functions
Functional Equation Solver
Evaluate and solve linear functional equations f(x)=ax+b
Function Average Value Calculator
Compute average value of a function on a closed interval
Function Stretch Calculator
Apply vertical and horizontal stretches to linear and quadratic functions
Function Compression Calculator
Apply vertical and horizontal compressions to functions
Periodic Function Validator
Check periodicity and find the fundamental period of functions
Discontinuity Classifier
Classify discontinuities as removable, jump, or infinite
Function Growth Rate Analyzer
Compare asymptotic growth rates of functions using limits
Logistic Function Analyzer
Analyze S-curve logistic functions with carrying capacity and inflection point
Trig Function Curve Fitter
Compute sine wave parameters: amplitude, period, phase shift, midline
Inverse Trig Function Evaluator
Evaluate arcsin, arccos, and arctan values in radians and degrees
Boundary Behavior Analyzer
Analyze function behavior at infinity, endpoints, and asymptotes
Piecewise Continuity Checker
Verify continuity of piecewise functions at boundary points

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