APPENDIX E
Ronuui numeral* ( C*!<l )
XX = 20
XXXIX « (30+9)
n«2
XXI = 21
XL = (50-10)
in = 3
XXU = 22
L = 50
IV = 4
xxm = 23
LX = 60
V = 5
XXIV = 24
LXX = 70
VI = 6
XXV = 25
LXXX = 80
vn = 7
XXVI = 26
XC = 90(100-10)
vm = 8
xxvn = 27
C = 100
IX = 9(X-1;
XXVIII = 28
GG = 200
X = 10
XXIX = (20h 9)
GCC = 300
XI = 11
XXX = 30
CD = 400(500-100)
xn = 12
XXXI = 31
D - 500
xn = 13
xxxn = 32
DC 600
XIV = 14
XXXUl = 33
DCC = 700
XV = 15
XXXIV = 34
DGCC = 800
XVI = 16
XXXV = 35
CM = 900(1000-100)
xvn = i7
XXXVI = 36
M = 1000
xvra = 18
XXXVII = 37
MG = 1100
XIX = 19(X+9)
XXXVIU = 38
MD - 1500
If a letter or set of letters is placed before a letter of higher value, it is to be deducted from the latter before they are added.
„ , r C =:= 100
For instance | nC = 100-2=98
J D = 500
Ca) = 500-100 = 400
r L = 50
IXL = 50-9 = 41
MGM = 1000+900 = 1900 ; MGMLI >- 1951 DXL = 500+ 40 = 540
MDGLXVIII = as they are arranged in order of value as t —
M = 1000 D = 500 G = 100 L - 50 X = 10
vin = 8 1008
