MarcSymonds

// Note: Javascript works in radians.
//
// pa, pb, pc are 3 points. Each point is an array with 2 values; x and y
//
function triangleCalculations(pa, pb, pc) {
  var a = lineLength(pc, pb);   // Length of line from c to b.
  var b = lineLength(pa, pc);   // Length of line from a to c.
  var c = lineLength(pa, pb);   // Length of line from a to b.

  //var A = Math.acos(((b * b) + (c * c) - (a * a)) / (2 * b * c));    // Angle at point a.

MarcSymonds

function convertToRoman(num) {
  var romanNumerals = [
    {number: 1,    numeral: "I", sub: 0},
    {number: 5,    numeral: "V", sub: -1},
    {number: 10,   numeral: "X", sub: -2},
    {number: 50,   numeral: "L", sub: -1},
    {number: 100,  numeral: "C", sub: -2},
    {number: 500,  numeral: "D", sub: -1},
    {number: 1000, numeral: "M", sub: -2}
  ];

MarcSymonds

using System;
using System.Collections.Generic;

/// <summary>
/// Example of multiple indexers within a single class.
/// 
/// Why you might want/need to do this, who knows?
/// </summary>

namespace CSharp_Examples {

MarcSymonds

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

/// <summary>
/// Example of multiple enumerators within a class so that you can enumerate through values
/// hosted by the class in different ways. In this example, one enumerator allows you to go