Free Math Calculators & Solvers

Free online math calculators for basic arithmetic, scientific computing, geometry, algebra, percentages, and matrices.

Available Math Calculators (10)

• Standard Calculator - Perform essential everyday arithmetic: addition, subtraction, division, products and percentages with direct keyboard feedback.
• Percentage Calculator - Calculate standard percentages, phrases, percentage differences, and percentage changes.
• Circle Calculator - Calculate circle radius, diameter, circumference, and area from any single known dimension.
• Triangle Calculator - Solve missing sides, angles, heights, area, and perimeter of any triangle from any 3 known metrics.
• Scientific Calculator - Advanced mathematics including trigonometry, logarithms, squares, cube values, factorials, and constants support.
• Matrix Calculator - Calculate matrices dimensions, sum, subtraction, product, transposition, powers, determinants, and inverses.
• Fraction Calculator - Add, subtract, multiply, divide, and simplify positive and negative fractions.
• Algebra Solver - Solve basic linear algebraic equations of form ax + b = c.
• Quadratic Equation Calculator - Solves quadratic equations of form ax² + bx + c = 0.
• Geometry Calculator - Calculate areas, perimeters, and volumes of standard shapes.