Determinant Calculator
Dark mode Quick answer A determinant calculator finds the determinant of a 2×2 or 3×3 matrix, a single number that tells you whether the matrix can be inverted. Enter the numbers row by row. The …
Shakeel Muzaffar
Binomial Expansion Calculator
Dark mode Quick answer A binomial expansion calculator expands an expression like (a x plus b) to the power n using the binomial theorem. Enter the two coefficients and the power, and it returns the …
Correlation Coefficient Calculator
Dark mode Quick answer A correlation calculator finds the Pearson correlation coefficient r, which measures how strongly two variables move together on a straight line. It runs from minus 1 to plus 1. Enter your …
Linear Regression Calculator
Dark mode Quick answer A linear regression calculator fits the best straight line through your data points, in the form y equals m x plus b. Enter your x and y values and it returns …
Cubic Equation Solver
Dark mode Quick answer A cubic equation solver finds the roots of a x cubed plus b x squared plus c x plus d equals zero. Enter the four coefficients and it returns up to …
Sequence Calculator
Dark mode Quick answer A sequence calculator finds the nth term and the sum of an arithmetic or geometric sequence. Enter the first term, the common difference or ratio, and the term number. An arithmetic …
Z-Score Calculator
Dark mode Quick answer A z-score calculator finds how many standard deviations a value sits from the mean. Subtract the mean from the value and divide by the standard deviation. A score of 85 with …
Significant Figures Calculator
Dark mode Quick answer A significant figures calculator rounds a number to a set count of meaningful digits, the ones that carry real precision. Enter the number and how many significant figures you want to …
Modulo Calculator
Dark mode Quick answer A modulo calculator finds the remainder after dividing one number by another. The expression a mod b is what is left over when a is divided by b. So 17 mod …
Factorial Calculator
Dark mode Quick answer A factorial calculator multiplies a whole number by every whole number below it down to 1. It is written with an exclamation mark, so 5 factorial is 5 times 4 times …