create a unit conversion calculator which will calculate three different units, length, volume and mass/weight. We will first ask the user what unit they want to convert, then we will ask what unit they are converting f rom, then we will do the appropriate conversion.
At least 4 functions.
At least one function needs to demonstrate a single loop
At least one function needs to demonstrate a nested loop
At least one function needs to demonstrate the use of a multi-alternative IF structure or SWITCH statement
At least one function needs to demonstrate the proper usage of an array
One function needs to contain program input (e.g. cin)
One function needs to output something to the screen and to a file
I/O to/from the console
Comments that convince the instructor you understand the code you wrote
