visual basic factorial calculator form

Project Description:

operation
•the user enters a number and clicks the calculate button or presses the enter key to activate that button.
•the program calculates the factorial of the number and displays it in a label on the form.

specifications
•the factorial of an integer is that integer multiplied by every positive integer less than itself. a factorial number is identified by an exclamation point following the number. here’s how you calculate the factorial of the numbers 1 through 5:

1! = 1 which equals 1
2! = 2 * 1 which equals 2
3! = 3 * 2 * 1 which equals 6
4! = 4 * 3 * 2 * 1 which equals 24
5! = 5 * 4 * 3 * 2 * 1 which equals 120
•the application should return an accurate value for integers from 1 to 20. the factorial of the number 20 is 2,432,902,008,176,640,000. (if you enter a number larger than 20, a factorial will still be displayed, but it won’t be accurate.)
•the application assumes that the user enters a valid integer from 1 to 20.
•the application should format the factorial with commas, but no decimal places.

hint
•to be able to store the large integer values for the factorial, this application can’t use the int32 data type.
Skills Required:
Project Stats:

Price Type: Negotiable

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