Exercise: Temperature Converter

Goal: create a program that can convert a temperature in Fahrenheit, Celsius or Kelvin to the other two units.

• Try the bonus goal if you have extra time!

Setup

• Fork and clone this repo to your computer.
• Open temp_converter.js.

PART 1

Instructions

1. Set the fahrenheit variable to a starting temperature.
2. Below that, write Javascript code that converts fahrenheit to its equivalent Celsius and Kelvin values.

• Conversion formulae: http://www.csgnetwork.com/temp2conv.html
• Sample temperatures: 32F = 0C = 273.15K

3. Below that, console.log the starting and converted temperatures.
4. Repeat steps 1-3 for starting celsius and kelvin temperatures.
5. Test your program by running $ node temp_converter.js in the command line.

Your program will look something like this for each starting temperature...

// Starting temperature
var fahrenheit = 32;

// Conversion code
var fahrenheitToCelsius = ...;
var fahrenheitToKelvin = ...;

// Print to console
console.log( "Fahrenheit: " + ... );
console.log( "Celsius: " + ... );
console.log( "Kelvin: " + ... );

Your command line output will look something like this...

Fahrenheit: STARTING_TEMP F
Celsius: CONVERTED_TEMP C
Kelvin: CONVERTED_TEMP K

Feel free to turn to your tablemates for help!

Bonus

Use conditionals (e.g., if-else statement, switch statement) so that your program only prints out the converted temperatures for one starting value.

The starting temperature should be determined by a 'whichTemp' variable that you instantiate at the beginning of the program, and will contain a value of either "f" (Fahrenheit), "c" (Celsius) or "k" (Kelvin).

PART 2

Restructure your program from PART 1 so that when you convert a temperature, that new value is stored in an array. Your array will end up looking something like this...

var fahrenheitTemps = [ STARTING_TEMP, CONVERTED_TEMP_1, CONVERTED_TEMP_2 ];

You will have similar arrays for the Celsius and Kelvin portions of your program.

When you console.log the temperatures, make sure you do that by accessing the values stored in the array.

Bonus 1

Use a for or while loop to print out the conversion results for each temperature. It's OK if you need to simplify your console.log statements and remove strings.

Bonus 2

Implement the conditionals from the Part I bonus if you haven't already!