Roman Numeral: XI = 11 = Eleven.
XI is the Roman Numeral symbol for 11.
The Roman numeral of XI is equivalent to 11
"xi" symbol in maths if used mostly in ven diogrammes and is in the top, right hand corner
Mingzhen. Xi has written: 'Hong yan'
Congshen has written: 'Jian xi he jian xi'
Shan Luo has written: 'Ku qi di yu xi' 'Ku xi de you xi'
Xiande Xi has written: 'Sun Zhongshan yu Meiguo ='
Xi Liu has written: 'Sheng ya' 'Da dao \\'
Xi Fan has written: 'Ni ceng lai guo'
Xi-Qiang Yang has written: 'A study of chemiluminescence'
Men Ding Xi has written: 'Mo gong'
Hong Yin Xi has written: 'Jing ru Jianada'