A Collection of JavaScript code snippets just for fun

Calculate Factorials

The factorial function (symbol: !) means to multiply a series of descending natural numbers. Examples:

4! = 4 × 3 × 2 × 1 = 24

7! = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5040

1! = 1

Enter a number to calculate the factorial:

The answer is:

?

Cash Register

Item	Enter Amount:	Cost Per Item

Your bill is:

0.00

Display the Fibonacci sequence up to a chosen number