@KliffUndersn
@LibertarianG0th
@OrwellNGoode
I is 1, you use it for 1-3,
V is 5,
4 IV and 6-8 VI, VII, VIII
X is 10, 9 is IX
Continue with X in front.
Tens work basically the same X-XXX
L is 50 again, same system: XL is 40, LX is 60 until 80
C is 100 (XC=90)
D is 500
M is 1000
For example 1999 is
MCMXCIX