Math Calculators · cluster
Free Number Tools & Notation Calculators
Bases, factors, rounding and precision.
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8 calculators in this cluster
Free GCF and LCM Calculator
Greatest common factor and least common multiple of two integers.
Free Prime Number Calculator
Check primality and list all prime factors.
Free Half-Life Calculator
Amount remaining after time for exponential decay.
Free Scientific Notation Calculator
Convert a number to and from scientific notation.
Free Matrix Calculator (2×2)
Determinant and inverse of a 2×2 matrix.
Free Rounding Calculator
Round to decimal places, integer, tens, hundreds, thousands.
Free Significant Figures Calculator
Round a number to a chosen number of sig figs.
Free Divisors & LCM Chain Calculator
All divisors, GCD and LCM across up to four numbers.
Concepts you'll meet here
Related clusters in math calculators
Free Algebra & Equations Calculators
Solving for unknowns and manipulating expressions.
Free Geometry & Shapes Calculators
Length, area, volume and angle in two and three dimensions.
Free Statistics & Probability Calculators
Describing data and quantifying uncertainty.
Free Academic & Grades Calculators
Weighted averages applied to education.