# GoMathExecutor [![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov] Package GoMathExecutor provides simple expression executor. ## Installation `go get github.com/neonxp/GoMathExecutor` ## Usage ``` calc := executor.NewCalc() calc.AddOperators(executor.MathOperators) // Loads default MathOperators (see: defaults.go) calc.Prepare("2+2*2") // Prepare expression calc.Execute(nil) // == 6, nil calc.Prepare("x * (y+z)") // Prepare another expression with variables calc.Execute(map[string]float64{ "x": 3, "y": 2, "z": 1, }) // == 9, nil ```