Univariate polynomial equations:

Polynomial equations with inexact coefficients:

Polynomial equations with multiple roots:

Algebraic equations:

Transcendental equations:

Univariate elementary function equations over bounded regions:

Univariate holomorphic function equations over bounded regions:

Here

NSolve finds some solutions but is not able to prove there are no other solutions:

Equation with a purely imaginary period over a vertical stripe in the complex plane:

Systems of linear equations:

Linear equations with inexact coefficients:

Underdetermined systems of linear equations:

Linear equations with no solutions:

Systems of polynomial equations:

Underdetermined systems of polynomial equations:

Algebraic equations:

Transcendental equations:

Polynomial equations:

Polynomial equations with multiple roots:

Algebraic equations:

Piecewise equations:

Transcendental equations, solvable using inverse functions:

Transcendental equations, solvable using special function zeros:

Transcendental inequalities, solvable using special function zeros:

Exp-log equations:

High-degree sparse polynomial equations:

Algebraic equations involving high-degree radicals:

Equations involving irrational real powers:

Equation with a double root:

Tame elementary function equations:

Elementary function equations in bounded intervals:

Holomorphic function equations in bounded intervals:

Linear systems:

Polynomial systems:

Quantified polynomial systems:

Algebraic systems:

Piecewise systems:

Transcendental systems solvable using inverse functions:

Systems exp-log in the first variable and polynomial in the other variables:

Quantified system:

Systems elementary and bounded in the first variable and polynomial in the other variables:

Quantified system:

Systems holomorphic and bounded in the first variable and polynomial in the other variables:

Quantified system:

Mixed real and complex variables: