Go web calculator

A calculator powered by lexical analysis

About

The Go Programming Language textbook offers a study of an expression evaluator. Using lexical analysis, we expose a simple web server that evaluates mathematical expressions. A web-based calculator is provided as an interface to the expression evaluator.

Compile

You will need the latest stable version of go installed on your machine:

https://golang.org/dl/

Run the following commands to download and build for execution:

1. git clone https://github.com/justinpage/go-web-calculator.git
2. cd go-web-calculator
3. go build -o calculator main.go

Execute

1. Launch web-based calculator:
   • ./calcuator or ./calculator --port <number>
2. Visit localhost:<port-number>
   • By default, port number is 8080.

Credits

• Original design by Sarah Frisk
• Lexical analysis was studied under Donovan and Kernighan via GOPL