Matrix Calculator is a free online tool that can perform various operations on matrices, such as finding the determinant, inverse, transpose, rank, power, sum, multiplication, and decomposition of matrices.

A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. Matrices are often used to represent linear transformations, which are techniques for changing one set of data into another. Matrices can also be used to solve systems of linear equations.

This matrix calculator online tool could help you simplify and manipulate matrices with ease. You can enter matrices using decimal fractions and you can copy and paste matrices from the results or from other sources.

Feet and Inches Calculator is an easy-to-use online calculator that is used to evaluate the addition, subtraction, multiplication, and division of two values in feet and inches, and allows you to efficiently perform mathematical operations on measurements expressed in feet and inches.

Roofing Calculator is a free roofing square footage calculator to determine your roof size and get the right amount of roofing shingles for your job.

Pythagorean Theorem Calculator could finds the unknown side length of a right triangle to quickly solve right triangle problems.

Percent To Fraction Calculator could help you to convert the given percentages into fractions.