Math & Numbers
Average Calculator
Find the arithmetic mean of any set of numbers with a clear step-by-step breakdown.
Math & Numbers Calculators
Clear, step-by-step math tools for students, educators, and anyone who needs reliable number-crunching. Our Math & Numbers calculators show their working — not just the answer, but the method — because understanding the process is as valuable as getting the result. From basic statistics like mean and standard deviation to probability, percentages, fractions, and algebra, these tools make maths approachable at any level.
Math & Numbers
Fraction Calculator
Add, subtract, multiply, or divide fractions and mixed numbers with step-by-step working shown.
Math & Numbers
GPA Calculator
Calculate your GPA from course grades and credit hours using the standard 4.0 scale.
Math & Numbers
Grade Calculator
Calculate your current grade and find what score you need on the final exam to reach your target grade.
Math & Numbers
LCM & GCF Calculator
Calculate the LCM and GCF of up to 10 numbers with full prime factorization working shown.
Math & Numbers
Percentage Calculator
Calculate percentages three ways: percentage of, what percent, and percentage change.
Math & Numbers
Prime Factorization Calculator
Find the prime factors of any positive integer with a factor tree diagram and prime factor notation shown.
Math & Numbers
Probability Calculator
Calculate the probability of single and combined events, including AND, OR, and NOT logic.
Math & Numbers
Pythagorean Theorem Calculator
Find any side of a right triangle using a² + b² = c². Enter two sides and solve for the third.
Math & Numbers
Quadratic Equation Solver
Solve ax² + bx + c = 0 for real or complex roots with discriminant analysis and step-by-step working.
Math & Numbers
Ratio Calculator
Simplify ratios, find missing values in proportions, and scale ratios by any factor.
Math & Numbers
Slope Calculator
Find the slope, y-intercept, and equation of a line from two coordinate points with full working.
Math & Numbers
Standard Deviation Calculator
Calculate mean, variance, and standard deviation for any dataset with step-by-step working shown.