With the percentile calculator you will calculate the percentile position and find the value. Percentile or centile is a measure in statistics that indicates a value for which P Percentage of the Population is equal to or less than that value and 100-P is greater.

With this calculator you will learn how to add in columns. You can check if the addition you have made is correct

Affine cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Affine cipher.