Nissan Deliatitz

Nissan ben Avraham Deliatitz () was a nineteenth-century Russian rabbi and mathematician.
He wrote "Keneh Ḥokhmah", a manual of algebra in five parts, published in Vilna and Grodno in 1829. The work received approbations from Rabbi David, the "av beit din" of Novhardok, and Rabbi Avraham Abele ben Avraham Shlomo Poswoler, an eminent scholar who headed the Vilna "beit din".