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// Constructor Function
function Complex(real, imaginary) {
    this.x = real;
    this.y = imaginary;
}

// Instance methods

Complex.prototype.magnitude = function() {
    return Math.sqrt(this.x*this.x + this.y*this.y);
};

Complex.prototype.negative = function() {
    return new Complex(-this.x, -this.y);
};

// Continue on

Complex.ZERO = new Complex(0,0);
Complex.ONE  = new Complex(1,0);
Complex.I = new Complex(0,1);