Two, two
Three, three
The fourth chapter section 4
Chapter five, section five
Chapter 6, section 6
Chapter 7, section 7
Chapter 8, section 8
Nine, nine
x, 10
XI, 1 1
Twelve, 12
Thirteen, 13
Fourteen, 14
XV. 15
Sixteen, 16
Seventeen, 17
Eighteen, 18
XIX. 19
XX,20
21,21
22, 22
25, 25
29, 29
XXX,30
XXXI,3 1
34, 34
Thirty-five
39, 39
XL,40
l,50
Li, 5 1
Lu, 55 years old
LX,60
Sixty-five
LXX 70
LXXX,80
XC, 90 years old
XCIII,93
XCV,95
XCVIII,98
Integrated circuit, 99
c, 100
CC,200
CCC,300
CD,400
500 dollars
DC,600
DCC,700
DCCC,800
Centimeter, 900
m, 1000
MC, 1 100
MCD, 1400
MD, 1500
MDC, 1600
MDCLXVI, 1666
MDCCCLXXXVIII, 1888
MDCCCXCIX, 1899
MCM, 1900
MCMLXXVI, 1976
Michael XXXIV, 1984
MCMXC, 1990
Well, in 2000.