integraalimerkki
Integraalimerkki, often referred to as the integral sign, is a mathematical symbol used to denote integration. Its elongated 'S' shape is derived from the Latin word 'summa', meaning sum. The integral sign is a fundamental component of calculus, representing the process of finding the antiderivative of a function or the area under a curve.
The basic form of an indefinite integral is written as ∫f(x) dx. Here, ∫ is the integral sign,
For definite integrals, the limits of integration are placed above and below the integral sign, like ∫_a^b
The integral sign was introduced by the German mathematician Gottfried Wilhelm Leibniz in the late 17th century.