Yes, among others the rule-of-three, fraction and equation calculators display the solution step by step.
Math & Engineering
From the percentage calculator and the rule of three to the scientific calculator with trigonometry and logarithms: this category bundles calculation tools for school, university and everyday life.
More complex topics such as number systems, matrices, vectors or quadratic equations are covered too – including the solution path, so the result can be followed step by step instead of just delivering a number.
22 calculators in this category
Arithmetic & Percentages
Percentages, rule of three, fractions and averages
Percentage Calculator
Three modes: X% of Y, share in % and percentage change – all in one calculator
Rule of Three Calculator
Direct and inverse – with calculation method and step-by-step explanation
Fraction Calculator
Add, subtract, multiply, divide – result automatically reduced with decimal value
Calculator
All four basic operations, percentages and sign change – directly in your browser
Scientific Calculator
Parentheses, powers, roots, trigonometry, logarithms and constants – with correct order of operations
Notepad Calculator
Multiple lines, named values, subtotals and percentages – every line with an instant result
Average Calculator
Enter a list of numbers – instant result
Discount Calculator
Final price, original price or discount rate — three modes in one calculator
Algebra & Numbers
Powers, roots, equations and number systems
Number Base Converter
Instantly convert numbers between all four number systems – with explanations
Square Root Calculator
Square root (√), cube root and any nth roots calculated online
Power Calculator
Base to the exponent (aⁿ) – with negative and fractional exponents
GCD and LCM Calculator
Greatest common divisor and least common multiple using the Euclidean algorithm
Logarithm Calculator
log₁₀, log₂, natural logarithm (ln) and custom base – with the change-of-base formula
Quadratic Equation
Solve ax² + bx + c = 0 – see the discriminant and one or two real solutions instantly
Prime Number Calculator
Is the number prime? Find the next prime number and calculate the prime factorization
Factorial Calculator
Instantly calculate 0! to 170! – with permutation and combinatorics explanations
Binomial Formulas
Calculate all three binomial formulas with a and b instantly – with terms and intermediate values
System of Equations Solver
Solve a linear system of equations with 2 or 3 unknowns — determinant, solution and special cases shown instantly
Matrix Calculator
Add, subtract, multiply 2x2 and 3x3 matrices and calculate the determinant and inverse
Vector Calculator
Add and subtract 2D and 3D vectors, and calculate dot product, cross product, magnitude and angle
Frequently asked questions about Math & Engineering
The scientific calculator supports brackets, powers, roots, trigonometry and the constants π and e.