Calculators - Algebra II - eMathHelp
https://www.emathhelp.net/en/calculators/algebra-2Circle Calculator. This calculator will find either the equation of the circle from the given parameters or the center, radius, diameter, circumference (perimeter), area, eccentricity, linear eccentricity, x-intercepts, y-intercepts, domain, and range of the entered circle. Also, it will graph the circle. Steps are available.
Boolean Algebra Calculator - eMathHelp
https://www.emathhelp.net/en/calculators/discrete-mathematics/boolean...Boolean Algebra Calculator. The calculator will try to simplify/minify the given boolean expression, with steps when possible. Applies commutative law, distributive law, dominant (null, annulment) law, identity law, negation law, double negation (involution) law, idempotent law, complement law, absorption law, redundancy law, de Morgan's theorem.
Inverse Matrix Calculator
https://matrix.reshish.com/inverse.phpTo calculate inverse matrix you need to do the following steps. Set the matrix (must be square) and append the identity matrix of the same dimension to it. Reduce the left matrix to row echelon form using elementary row operations for the whole matrix (including the right one). As a result you will get the inverse calculated on the right.