> function greet(name)
{
    console.log("Hello, " + name);
}
undefined
> greet("Dan Teague")
Hello, Dan Teague debugger eval code:3:13
undefined
> function greetString(name)
{
    return "Hello, " + name;
}
undefined
> greetString("Dan Teague")
"Hello, Dan Teague"
> console.log(greetString("Dan Teague"))
Hello, Dan Teague debugger eval code:1:9
undefined
function lawOfCosines(a, b, theta)
{
    cSquared = a*a + b*b - 2*a*b*Math.cos(theta);
    return Math.sqrt(cSquared);
}
undefined
> console.log(lawOfCosines(3, 4, Math.PI/2))
5
> console.log(lawOfCosines(3, 4, Math.PI/4))
2.833626166508712 debugger eval code:1:9
undefined