Free calculators
Online Math Tools That Show the Method
Choose a tool, enter a problem, and learn from the complete result.
Symbolic Equation Solver
Solve linear, polynomial, radical, exponential, logarithmic, and common trigonometric equations.
Open tool →Graphing Calculator
Plot multiple functions, explore coordinates, and export publication-quality graphs.
Open tool →Scientific Calculator
Calculate powers, roots, logarithms, and trigonometric functions in degree or radian mode.
Open tool →Fraction Calculator
Add, subtract, multiply, divide, simplify, and convert fractions with complete steps.
Open tool →Percentage Calculator
Solve six common percentage problems with formulas and understandable steps.
Open tool →Riemann Integral Calculator
Calculate and visualize definite integrals using left, right, and midpoint Riemann sums with step-by-step explanations.
Open tool →Sequence Calculator & Graphs
Explore number sequences with an nth term finder, difference table, step-by-step solutions, discrete graphs, recurrence formulas, partial sums, and PDF export.
Open tool →Triangle Calculator & Solver
Free triangle calculator and solver for SSS, SAS, ASA, AAS, SSA and right triangles. Calculate sides, angles, area, perimeter, heights, medians, inradius, circumradius, and triangle centers with step-by-step solutions.
Open tool →Derivative Calculator with Complete Function Analysis
Calculate derivatives step by step and analyze functions with graphs, critical points, extrema, increasing and decreasing intervals, concavity, inflection points, asymptotes, variation tables, and downloadable PDF reports.
Open tool →Smart Weekly Planner Generator
Create a personalized printable weekly planner for students or teachers. Choose colors, layout, paper size, sections and dates, then preview and download your planner.
Open tool →Interactive Graphing Calculator
Plot functions, equations, inequalities, points, tables, and sliders with an interactive graphing calculator. Zoom, pan, trace graphs, and explore mathematics visually.
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