Lambert, the Circle-Squarers and \(\pi \) : Introduction to Lambert’s Vorläufige Kenntnisse
摘要
The treatise «Preliminary Knowledge for Those Seeking the Quadrature and Rectification of the Circle» («Vorläufige Kenntnisse für die, so die Quadratur und Rectification des Circuls suchen») was written in 1766 and published in 1770 as part of the second of the three volumes entitled Contributions to the Use of Mathematics and Its Application (Beyträge zum Gebrauche der Mathematik und deren Anwendung).