The planet Earth and nature functions on laws, not those flawed social and cultural laws made by humans with dozen of loopholes that change every few years or generations, but on strict laws that maintain the order and harmony in continuously expanding universe. To better understand and explain those laws, we have exact sciences, mathematics, physics etc. Although mathematics seems like an unpractical tool, it is an integral part of society. From accounting to measuring and computers, math is one of the most important our life.