Mathematics in Ancient and Medieval India c6.s2.17

c6.s2.17

iv ) *Rope* : In the *Śulba*, it has been largely used as a geometrical instrument. In Sanskrit, the words *dari*, *rajju*, *śulba*¹ and *sūtra* have indentical meanings. It means ordinarily ‘a rope’ or ‘a cord’. *Rajju* as a measuring tape had been in use for a long time. In the *Vedas*, the word *dari* was used to mean a rope². The term *śulba* does not occur in the Vedas. The word *rajju* appeared in the *Śatapathabrāhmaṇa*. In the *Śulbas*, both the terms *rajju* and *śulba*³ are found to occur.