Rule of Product Calculator

Calculator for the fundamental counting principle


This function calculates the fundamental counting principle or also called "product rule of combinatorics".

To perform the calculation, select the number of operands and enter the numbers to be multiplied. Then click the Calculate button.


Rule of Product Calculator

 Input
Numbers of Values
Number a1
Number a2
Number a3
Number a4
Number a5
Number a6
Number a7
Number a8
Number a9
Number a10
Decimal places
 Result

Description of the fundamental counting principle


In combinatorics, the product rule or the multiplication principle is a counting principle that expresses how many possible combinations there are when a variant x is combined with y and/or z.


Example


If a cabinet or shelf is offered in 3 wood colors. There are two options with or without a drawer and 3 possibilities: without doors, with wooden doors or glass doors.

Then there are \(\displaystyle 3 × 2× 3 =18 \) variants

Other Combinatorics Functions

Combinations with Repetition
Combinations without Repetition
Permutations
Rule of Product
Variations with Repetition
Variations without Repetition
Activity Selection Problem

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