22 lines
750 B
Markdown
22 lines
750 B
Markdown
# GoMathExecutor [](https://godoc.org/github.com/neonxp/GoMathExecutor) [](https://travis-ci.org/neonxp/GoMathExecutor)
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Package GoMathExecutor provides simple expression executor.
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## Installation
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`go get github.com/neonxp/GoMathExecutor`
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## Usage
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```
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calc := executor.NewCalc()
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calc.AddOperators(executor.MathOperators) // Loads default MathOperators (see: defaults.go)
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calc.Prepare("2+2*2") // Prepare expression
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calc.Execute(nil) // == 6, nil
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calc.Prepare("x * (y+z)") // Prepare another expression with variables
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calc.Execute(map[string]float64{
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"x": 3,
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"y": 2,
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"z": 1,
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}) // == 9, nil
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```
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