Calculus
Calculus, mathematics ke ek hissa hae, jisme time ke adhaar pe badlao ke dekha jaawe hae. Calculus ke dher rakam ke parhai me kaam me lawa jaawe hae, jaise ki physics, astronomy, biology, engineering, economics, medicine aur sociology.
Calculus sabd Latin bhasa se aais hae jise iske matlab "chhota patthar" hae.