{\displaystyle \int _{a}^{b}\!f(x)\,dx=F(b)-F(a).} The principles of integration were formulated independently by Isaac Newton and Gottfried Leibniz in the late 17th century, who thought of the integral as an infinite sum of rectangles of infinitesimal width.
amendment - a statement that is added to or revises or improves a proposal or document (a bill or constitution etc.) statement - a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc; according to his statement he was in London on that day.
An amendment is a formal or official change made to a law, contract, constitution, or other legal document. It is based on the verb to amend, which means to change. Amendments can add, remove, or update parts of these agreements.n parliamentary procedure, the way that many meetings are run, an amendment is a type of motion-a proposal or formal suggestion to do something. Amendments can remove words, add words, or change words from motions.