Snaps in category Numbers

IMEI Validation - Luhn Check

Validate mobile IMEI numbers with this simple Luhn validation

PHP Hit Counter

A small but not that simple hit counter.

Mode calculator

Calculates and returns the mode of the numbers given

Average calculator

Returns the average of the numbers given.

Median calculator

Returns the median of the numbers given

_hexbin

Return an actual binary string.

Calculator Form

Design your own calculator form.