Free photon energy calculator — convert between photon energy (Joules, eV), frequency (Hz to THz), wavelength (nm, μm, Å), and wavenumber (cm⁻¹). Uses E=hf and E=hc/λ with full step-by-step working and EM spectrum classification.
Free asymptote calculator — find all vertical, horizontal, and slant (oblique) asymptotes of rational functions with step-by-step working. Shows degree comparison for HA, denominator zeros for VA, and polynomial long division for slant asymptotes
Free rational exponents calculator — evaluate xᵐ/ⁿ step by step, convert between radical and exponential notation, and simplify expressions using laws of rational exponents. Covers fractional exponents, negative exponents, and radical conversion
Free average value of a function calculator — compute f_avg=(1/(b−a))∫f(x)dx with step-by-step working, find c values from the Mean Value Theorem for Integrals, and see the geometric equal-area rectangle graph.
Free multiply polynomials calculator — use FOIL for binomials or the distribution grid for any polynomials. Shows every cross product, like terms collection, and auto-detects special products (difference of squares, perfect square trinomials)
Free synthetic division calculator — divide any polynomial by (x−c) with the full synthetic division tableau shown step by step. Includes Remainder Theorem verification, Factor Theorem check, and complete polynomial factoring
Free simplify radicals calculator — reduce any radical to simplest radical form, add and subtract like radicals, multiply and rationalize, and solve radical equations. Full step-by-step working with prime factorization and perfect square methods
Free rational expressions calculator — simplify, add, subtract, multiply, and divide rational expressions with full step-by-step LCD calculation, factoring, cross-cancellation, and excluded values shown
“Free extrema calculator — find local maxima and minima using the first and second derivative tests, and absolute maximum and minimum values on a closed interval. Full step-by-step working with sign charts and graph
Free Gaussian elimination calculator — solve systems of linear equations with full step-by-step row operations. Enter your augmented matrix or system of equations for 2×2 to 4×4 systems. Also performs Gauss-Jordan elimination for RREF