लघुमानस · Chapter Overview
From The Laghumānasa of Mañjula — the Dawn of Calculus, taught by Acharya T Krishnatrey. This lesson is free to read.
<pre data-block="statement">What this chapter covers | We meet Mañjula in his own words — his opening verse naming himself and his aim — then the problem that drives everything: the TRUE (instantaneous) motion of the fast, uneven Moon. We read the sine-differences of Āryabhaṭa that are the raw material, and then Mañjula's landmark verse (Laghumānasa III.14): the motion-correction is the koṭijyā (Rcosine) times the daily motion — in effect the differential of the sine.</pre>