Russian rabbi and mathematician. He wrote "Keneh Ḥokmah," the meaning of which in Prov iv. 5 is "buy wisdom," but which here means "the scientific measure." It is a manual of algebra in five parts (Wilna, 1829). Benjacob says that Nissan was the son of Abraham Deliatitz, but Fürst makes him the son of Elijah b. Abraham Deliatitz.
- Fürst. Bibl. Jud. i. 204;
- Zeitlin, Bibl. Post-Mendels. p. 65;
- Benjacob, Oẓar ha-Sefarim, p. 530.