Scientific Math Calculators
Free logarithm, exponent, factorial, quadratic equation, and scientific calculators. Advanced math tools for students, engineers, and researchers.
Scientific Math Calculators - Advanced Mathematics for Every Discipline
Beyond basic arithmetic lie the mathematical tools that power science, engineering, and higher mathematics. These calculators handle the computation so you can focus on applying the results - whether solving a quadratic for projectile trajectory, computing compound growth with natural logarithms, or counting arrangements with factorials.
Five Scientific Math Calculators
Scientific Calculator - Full-featured with order-of-operations (BODMAS) support: sin, cos, tan, arcsin, arccos, arctan (degrees and radians), log₁₀, ln, eˣ, √x, xⁿ, n!, memory functions (MS, MR, M+, M−), and constants π and e. Designed for Class 11–12, JEE, and undergraduate coursework.
Logarithm Calculator - Computes log₁₀, ln, and log to any base using the change-of-base formula: log_b(x) = ln(x) ÷ ln(b). Also computes anti-logarithm. Used in pH calculations (see the pH Calculator), decibels, Richter scale, and information theory.
Exponent Calculator - Computes xⁿ for any real base and exponent, including negative and fractional exponents. Also computes eˣ. The underlying math of compound interest - see it applied in the Compound Interest Calculator.
Factorial Calculator - Computes n! for any non-negative integer (exact up to 170!; Stirling approximation beyond). Also computes permutations (nPr) and combinations (nCr) directly. Used in probability - see the Probability Calculator for applied use.
Quadratic Equation Solver - Solves ax² + bx + c = 0. Returns: discriminant (b² − 4ac), both roots (real or complex conjugates a ± bi when discriminant < 0), vertex coordinates, and axis of symmetry. Used in physics projectile problems - see the Projectile Motion Calculator for applied use.
Frequently Asked Questions
What is the difference between log and ln?
log (or log₁₀) answers "10 to what power equals x?". ln (natural logarithm, base e ≈ 2.71828) answers "e to what power equals x?". ln appears in calculus, continuous compounding, and differential equations; log₁₀ appears in pH, decibels, and powers-of-10 scales. The Logarithm Calculator computes both.
When does the quadratic equation have complex roots?
When the discriminant b² − 4ac is negative, the parabola doesn't cross the x-axis and the roots are complex conjugates. The Quadratic Equation Solver returns them in a ± bi form.
What is the largest factorial the calculator can compute?
The Factorial Calculator computes exact values up to 170! Beyond that, it shows the Stirling approximation: n! ≈ √(2πn) × (n/e)^n, accurate to within 1% for n > 10.
Can the scientific calculator handle complex expressions?
Yes. The Scientific Calculator evaluates expressions with full operator precedence. You can chain operations like sin(45) + √(16) × 2 and get the correct result.