History of Hindu Mathematics: A Source Book v2.c17.s18.43

v2.c17.s18.43

² *GSS*, introductory line to vii. 90½. The section of Mahâvîra's work devoted to the treatment of rational triangles and quadrilaterals bears the sub-title *janya-vyavahâra* (*janya* operation) and it begins as "Hereafter we shall give out the *janya* operations in calculations relating to measurement of areas." Mahâvîra's treatment of the subject has been explained fully by Bibhutibhusan Datta in a paper entitled: "On Mahâvîra's solution of rational triangles and quadrilaterals," *BCMS*, XX, 1928-9, pp. 267-294.