An open interval is an interval that does not include its end points. The open interval is denoted , although the nonstandard notation is sometimes also used. Croft, H. T.; Falconer, K. J.; and Guy, R. K. Unsolved Problems in Geometry. New York: Springer-Verlag, p. 1, 1991.
Banzai, Shenzi and Ed. Banzai is a Japanese cheer meaning ''Attack''. Shenzi comes from Swahili meaning ''Barbarous'' or ''Savage''. Ed (assuming it originates from the English name ''Edward'') means ''Wealthy Guard''.
Zu (surname) Zu is the Mandarin pinyin romanization of the Chinese surname written ç¥ in Chinese character. It is romanized Tsu in WadeâGiles. It is listed 249th in the Song dynasty classic text Hundred Family Surnames. It is not among the 300 most common surnames in China. Notable people. Zu Ti (ç¥é; 266â321), celebrated Eastern Jin general