Basic math symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
=
|
equality
|
5 = 2+3
5 is equal to 2+3 |
|
≠
|
not
equal sign
|
inequality
|
5 ≠ 4
5 is not equal to 4 |
≈
|
approximately
equal
|
approximation
|
sin(0.01) ≈ 0.01,
x ≈ y means x is approximately equal to y |
>
|
strict
inequality
|
greater
than
|
5 >
4
5 is greater than 4 |
<
|
strict
inequality
|
less
than
|
4 <
5
4 is less than 5 |
≥
|
inequality
|
greater
than or equal to
|
5 ≥ 4,
x ≥ y means x is greater than or equal to y |
≤
|
inequality
|
less
than or equal to
|
4 ≤ 5,
x ≤ y means x is less than or equal to y |
( )
|
parentheses
|
calculate
expression inside first
|
2 ×
(3+5) = 16
|
[ ]
|
brackets
|
calculate
expression inside first
|
[(1+2)×(1+5)]
= 18
|
+
|
addition
|
1 + 1 =
2
|
|
−
|
subtraction
|
2 − 1 =
1
|
|
±
|
plus -
minus
|
both
plus and minus operations
|
3 ± 5 =
8 and -2
|
±
|
minus -
plus
|
both
minus and plus operations
|
3 ∓ 5 = -2
and 8
|
*
|
multiplication
|
2 * 3 =
6
|
|
×
|
multiplication
|
2 × 3 =
6
|
|
⋅
|
multiplication
|
2 ⋅ 3 = 6
|
|
÷
|
division
|
6 ÷ 2 =
3
|
|
/
|
division
|
6 / 2 =
3
|
|
—
|
division
/ fraction
|
|
|
mod
|
modulo
|
remainder
calculation
|
7 mod 2
= 1
|
.
|
period
|
decimal
point, decimal separator
|
2.56 =
2+56/100
|
ab
|
power
|
exponent
|
23 = 8
|
a^b
|
caret
|
exponent
|
2 ^ 3
= 8
|
√a
|
square
root
|
√a ⋅ √a = a
|
√9 = ±3
|
3√a
|
cube
root
|
3√a ⋅ 3√a ⋅ 3√a = a
|
3√8 = 2
|
4√a
|
fourth
root
|
4√a ⋅ 4√a ⋅ 4√a ⋅ 4√a = a
|
4√16 = ±2
|
n√a
|
n-th
root (radical)
|
|
for n=3,
n√8 = 2
|
%
|
1% =
1/100
|
10% ×
30 = 3
|
|
‰
|
1‰ =
1/1000 = 0.1%
|
10‰ ×
30 = 0.3
|
|
1ppm =
1/1000000
|
10ppm ×
30 = 0.0003
|
||
ppb
|
per-billion
|
1ppb =
1/1000000000
|
10ppb ×
30 = 3×10-7
|
ppt
|
per-trillion
|
1ppt = 10-12
|
10ppt ×
30 = 3×10-10
|
Geometry symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
∠
|
angle
|
formed
by two rays
|
∠ABC = 30°
|
|
measured
angle
|
|
ABC = 30°
|
|
spherical
angle
|
|
AOB = 30°
|
∟
|
right
angle
|
= 90°
|
α = 90°
|
°
|
degree
|
1 turn
= 360°
|
α = 60°
|
deg
|
degree
|
1 turn
= 360deg
|
α =
60deg
|
′
|
prime
|
arcminute,
1° = 60′
|
α =
60°59′
|
″
|
double
prime
|
arcsecond,
1′ = 60″
|
α =
60°59′59″
|
|
line
|
infinite
line
|
|
AB
|
line
segment
|
line
from point A to point B
|
|
|
ray
|
line
that start from point A
|
|
|
arc
|
arc
from point A to point B
|
= 60°
|
⊥
|
perpendicular
|
perpendicular
lines (90° angle)
|
AC ⊥ BC
|
| |
|
parallel
|
parallel
lines
|
AB | |
CD
|
≅
|
congruent
to
|
equivalence
of geometric shapes and size
|
∆ABC≅ ∆XYZ
|
~
|
similarity
|
same
shapes, not same size
|
∆ABC~
∆XYZ
|
Δ
|
triangle
|
triangle
shape
|
ΔABC≅ ΔBCD
|
|x-y|
|
distance
|
distance
between points x and y
|
| x-y
| = 5
|
π
|
pi
constant
|
π = 3.141592654...
is the
ratio between the circumference and diameter of a circle
|
c = π⋅d = 2⋅π⋅r
|
rad
|
radians
|
radians
angle unit
|
360° =
2π rad
|
c
|
radians
|
radians
angle unit
|
360° =
2π c
|
grad
|
gradians
/ gons
|
grads
angle unit
|
360° =
400 grad
|
g
|
gradians
/ gons
|
grads
angle unit
|
360° =
400 g
|
Algebra symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
x
|
x
variable
|
unknown
value to find
|
when 2x
= 4, then x = 2
|
≡
|
equivalence
|
identical
to
|
|
≜
|
equal
by definition
|
equal
by definition
|
|
:=
|
equal
by definition
|
equal
by definition
|
|
~
|
approximately
equal
|
weak
approximation
|
11 ~ 10
|
≈
|
approximately
equal
|
approximation
|
sin(0.01) ≈ 0.01
|
∝
|
proportional
to
|
proportional
to
|
y ∝ x when y = kx,
k constant
|
∞
|
|
||
≪
|
much
less than
|
much
less than
|
1 ≪
1000000
|
≫
|
much
greater than
|
much
greater than
|
1000000
≫ 1
|
( )
|
parentheses
|
calculate
expression inside first
|
2 *
(3+5) = 16
|
[ ]
|
brackets
|
calculate
expression inside first
|
[(1+2)*(1+5)]
= 18
|
{ }
|
braces
|
set
|
|
⌊x⌋
|
floor
brackets
|
rounds
number to lower integer
|
⌊4.3⌋ = 4
|
⌈x⌉
|
ceiling
brackets
|
rounds
number to upper integer
|
⌈4.3⌉ = 5
|
x!
|
exclamation
mark
|
4! =
1*2*3*4 = 24
|
|
| x
|
|
single
vertical bar
|
absolute
value
|
| -5 |
= 5
|
f (x)
|
function
of x
|
maps
values of x to f(x)
|
f (x) = 3x+5
|
(f
∘ g)
|
function
composition
|
(f
∘ g) (x) = f (g(x))
|
f (x)=3x,g(x)=x-1
⇒(f ∘ g)(x)=3(x-1)
|
(a,b)
|
open
interval
|
(a,b)
= {x | a < x < b}
|
x∈ (2,6)
|
[a,b]
|
closed
interval
|
[a,b]
= {x | a ≤ x ≤ b}
|
x ∈ [2,6]
|
∆
|
delta
|
change
/ difference
|
∆t
= t1 - t0
|
∆
|
discriminant
|
Δ = b2
- 4ac
|
|
∑
|
sigma
|
summation
- sum of all values in range of series
|
∑ xi=
x1+x2+...+xn
|
∑∑
|
sigma
|
double
summation
|
|
∏
|
capital
pi
|
product
- product of all values in range of series
|
∏ xi=x1∙x2∙...∙xn
|
e
|
e constant / Euler's number
|
e = 2.718281828...
|
e = lim (1+1/x)x
, x→∞
|
γ
|
γ =
0.527721566...
|
|
|
φ
|
golden
ratio
|
golden
ratio constant
|
|
π
|
pi
constant
|
π = 3.141592654...
is the
ratio between the circumference and diameter of a circle
|
c = π⋅d = 2⋅π⋅r
|
Linear Algebra Symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
·
|
dot
|
scalar
product
|
a · b
|
×
|
cross
|
vector
product
|
a × b
|
A⊗B
|
tensor
product
|
tensor
product of A and B
|
A ⊗ B
|
|
inner
product
|
|
|
[ ]
|
brackets
|
matrix
of numbers
|
|
( )
|
parentheses
|
matrix
of numbers
|
|
| A
|
|
determinant
|
determinant
of matrix A
|
|
det(A)
|
determinant
|
determinant
of matrix A
|
|
|| x
||
|
double
vertical bars
|
norm
|
|
AT
|
transpose
|
matrix
transpose
|
(AT)ij
= (A)ji
|
A†
|
Hermitian
matrix
|
matrix
conjugate transpose
|
(A†)ij
= (A)ji
|
A*
|
Hermitian
matrix
|
matrix
conjugate transpose
|
(A*)ij
= (A)ji
|
A -1
|
inverse
matrix
|
A A-1 = I
|
|
rank(A)
|
matrix
rank
|
rank of
matrix A
|
rank(A)
= 3
|
dim(U)
|
dimension
|
dimension
of matrix A
|
rank(U)
= 3
|
Probability and statistics symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
P(A)
|
probability
function
|
probability
of event A
|
P(A) = 0.5
|
P(A ∩ B)
|
probability
of events intersection
|
probability
that of events A and B
|
P(A∩B) = 0.5
|
P(A ∪ B)
|
probability
of events union
|
probability
that of events A or B
|
P(A∪B) = 0.5
|
P(A | B)
|
conditional
probability function
|
probability
of event A given event B occured
|
P(A | B) = 0.3
|
f (x)
|
probability
density function (pdf)
|
P(a ≤ x ≤ b)
= ∫ f (x) dx
|
|
F(x)
|
cumulative
distribution function (cdf)
|
F(x) = P(X≤
x)
|
|
μ
|
population
mean
|
mean of
population values
|
μ = 10
|
E(X)
|
expected
value of random variable X
|
E(X) = 10
|
|
E(X | Y)
|
conditional
expectation
|
expected
value of random variable X given Y
|
E(X | Y=2) = 5
|
var(X)
|
variance
of random variable X
|
var(X) = 4
|
|
σ2
|
variance
of population values
|
σ2 = 4
|
|
std(X)
|
standard
deviation of random variable X
|
std(X) = 2
|
|
σX
|
standard
deviation value of random variable X
|
σX = 2
|
|
|
median
|
middle
value of random variable x
|
|
cov(X,Y)
|
covariance
|
covariance
of random variables X and Y
|
cov(X,Y) = 4
|
corr(X,Y)
|
correlation
|
correlation
of random variables X and Y
|
corr(X,Y) = 0.6
|
ρX,Y
|
correlation
|
correlation
of random variables X and Y
|
ρX,Y = 0.6
|
∑
|
summation
|
summation
- sum of all values in range of series
|
|
∑∑
|
double
summation
|
double
summation
|
|
Mo
|
mode
|
value
that occurs most frequently in population
|
|
MR
|
mid-range
|
MR = (xmax+xmin)/2
|
|
Md
|
sample
median
|
half
the population is below this value
|
|
Q1
|
lower /
first quartile
|
25% of
population are below this value
|
|
Q2
|
median
/ second quartile
|
50% of
population are below this value = median of samples
|
|
Q3
|
upper /
third quartile
|
75% of
population are below this value
|
|
x
|
sample
mean
|
average
/ arithmetic mean
|
x = (2+5+9) / 3 = 5.333
|
s 2
|
sample
variance
|
population
samples variance estimator
|
s 2 = 4
|
s
|
sample
standard deviation
|
population
samples standard deviation estimator
|
s = 2
|
zx
|
standard
score
|
zx = (x-x) / sx
|
|
X ~
|
distribution of X
|
distribution
of random variable X
|
X ~ N(0,3)
|
N(μ,σ2)
|
gaussian
distribution
|
X ~ N(0,3)
|
|
U(a,b)
|
uniform
distribution
|
equal
probability in range a,b
|
X ~ U(0,3)
|
exp(λ)
|
exponential
distribution
|
f (x) = λe-λx
, x≥0
|
|
gamma(c, λ)
|
gamma
distribution
|
f (x) = λ c xc-1e-λx
/ Γ(c), x≥0
|
|
χ 2(k)
|
chi-square
distribution
|
f (x) = xk/2-1e-x/2
/ ( 2k/2 Γ(k/2) )
|
|
F (k1, k2)
|
F
distribution
|
|
|
Bin(n,p)
|
binomial
distribution
|
f (k) = nCk
pk(1-p)n-k
|
|
Poisson(λ)
|
Poisson
distribution
|
f (k) = λke-λ
/ k!
|
|
Geom(p)
|
geometric
distribution
|
f (k) = p(1-p)
k
|
|
HG(N,K,n)
|
hyper-geometric
distribution
|
|
|
Bern(p)
|
Bernoulli
distribution
|
|
|
Combinatorics Symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
n!
|
n! = 1⋅2⋅3⋅...⋅n
|
5! = 1⋅2⋅3⋅4⋅5 = 120
|
|
nPk
|
permutation
|
|
5P3 = 5! / (5-3)! = 60
|
nCk
|
combination
|
|
5C3 = 5!/[3!(5-3)!]=10
|
Set theory symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
{ }
|
set
|
a
collection of elements
|
A =
{3,7,9,14},
B = {9,14,28} |
A ∩ B
|
intersection
|
objects
that belong to set A and set B
|
A ∩ B =
{9,14}
|
A ∪ B
|
union
|
objects
that belong to set A or set B
|
A ∪ B =
{3,7,9,14,28}
|
A ⊆ B
|
subset
|
A is a subset
of B. set A is included in set B.
|
{9,14,28}
⊆ {9,14,28}
|
A ⊂ B
|
proper
subset / strict subset
|
A is a
subset of B, but A is not equal to B.
|
{9,14} ⊂
{9,14,28}
|
A ⊄ B
|
not
subset
|
set A
is not a subset of set B
|
{9,66} ⊄
{9,14,28}
|
A ⊇ B
|
superset
|
A is a superset
of B. set A includes set B
|
{9,14,28}
⊇ {9,14,28}
|
A ⊃ B
|
proper
superset / strict superset
|
A is a
superset of B, but B is not equal to A.
|
{9,14,28}
⊃ {9,14}
|
A ⊅ B
|
not
superset
|
set A
is not a superset of set B
|
{9,14,28}
⊅ {9,66}
|
2A
|
power
set
|
all subsets
of A
|
|
|
power
set
|
all
subsets of A
|
|
A = B
|
equality
|
both
sets have the same members
|
A={3,9,14},
B={3,9,14}, A=B |
Ac
|
complement
|
all the
objects that do not belong to set A
|
|
A \ B
|
relative
complement
|
objects
that belong to A and not to B
|
A = {3,9,14},
B = {1,2,3}, A-B = {9,14} |
A - B
|
relative
complement
|
objects
that belong to A and not to B
|
A =
{3,9,14},
B = {1,2,3}, A-B = {9,14} |
A ∆ B
|
symmetric
difference
|
objects
that belong to A or B but not to their intersection
|
A =
{3,9,14},
B = {1,2,3}, A ∆ B = {1,2,9,14} |
A ⊖ B
|
symmetric
difference
|
objects
that belong to A or B but not to their intersection
|
A =
{3,9,14},
B = {1,2,3}, A ⊖ B = {1,2,9,14} |
a∈A
|
element
of
|
set
membership
|
A={3,9,14},
3 ∈ A
|
x∉A
|
not
element of
|
no set
membership
|
A={3,9,14},
1 ∉ A
|
(a,b)
|
ordered
pair
|
collection
of 2 elements
|
|
A×B
|
cartesian
product
|
set of
all ordered pairs from A and B
|
|
|A|
|
cardinality
|
the
number of elements of set A
|
A={3,9,14},
|A|=3
|
#A
|
cardinality
|
the
number of elements of set A
|
A={3,9,14},
#A=3
|
|
aleph-null
|
infinite
cardinality of natural numbers set
|
|
|
aleph-one
|
cardinality
of countable ordinal numbers set
|
|
Ø
|
empty
set
|
Ø = { }
|
C = {Ø}
|
|
universal
set
|
set of
all possible values
|
|
0
|
natural
numbers / whole numbers set (with zero)
|
0 = {0,1,2,3,4,...}
|
0 ∈ 0
|
1
|
natural
numbers / whole numbers set (without zero)
|
1 = {1,2,3,4,5,...}
|
6 ∈ 1
|
|
integer
numbers set
|
= {...-3,-2,-1,0,1,2,3,...}
|
-6 ∈
|
|
rational
numbers set
|
= {x | x=a/b,
a,b∈}
|
2/6 ∈
|
|
real
numbers set
|
= {x | -∞ < x <∞}
|
6.343434∈
|
|
complex
numbers set
|
= {z | z=a+bi,
-∞<a<∞, -∞<b<∞}
|
6+2i
∈
|
Logic symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
⋅
|
and
|
and
|
x ⋅ y
|
^
|
caret /
circumflex
|
and
|
x ^ y
|
&
|
ampersand
|
and
|
x & y
|
+
|
plus
|
or
|
x + y
|
∨
|
reversed
caret
|
or
|
x ∨ y
|
|
|
vertical
line
|
or
|
x | y
|
x'
|
single
quote
|
not -
negation
|
x'
|
x
|
bar
|
not -
negation
|
x
|
¬
|
not
|
not -
negation
|
¬ x
|
!
|
exclamation
mark
|
not -
negation
|
! x
|
⊕
|
circled
plus / oplus
|
exclusive
or - xor
|
x ⊕ y
|
~
|
tilde
|
negation
|
~ x
|
⇒
|
implies
|
|
|
⇔
|
equivalent
|
if and
only if (iff)
|
|
↔
|
equivalent
|
if and
only if (iff)
|
|
∀
|
for all
|
|
|
∃
|
there
exists
|
|
|
∄
|
there
does not exists
|
|
|
∴
|
therefore
|
|
|
∵
|
because
/ since
|
|
|
Calculus & analysis symbols
Symbol
|
Symbol Name
|
Meaning / definition
|
Example
|
|
limit
|
limit value
of a function
|
|
ε
|
epsilon
|
represents
a very small number, near zero
|
ε → 0
|
e
|
e constant / Euler's number
|
e = 2.718281828...
|
e = lim (1+1/x)x
, x→∞
|
y '
|
derivative
- Lagrange's notation
|
(3x3)'
= 9x2
|
|
y ''
|
second
derivative
|
derivative
of derivative
|
(3x3)''
= 18x
|
y(n)
|
nth
derivative
|
n times
derivation
|
(3x3)(3)
= 18
|
|
derivative
- Leibniz's notation
|
d(3x3)/dx
= 9x2
|
|
|
second
derivative
|
derivative
of derivative
|
d2(3x3)/dx2
= 18x
|
|
nth
derivative
|
n times
derivation
|
|
|
time
derivative
|
derivative
by time - Newton's notation
|
|
|
time
second derivative
|
derivative
of derivative
|
|
Dx
y
|
derivative
- Euler's notation
|
|
|
Dx2y
|
second
derivative
|
derivative
of derivative
|
|
|
partial
derivative
|
|
∂(x2+y2)/∂x
= 2x
|
∫
|
opposite
to derivation
|
∫ f(x)dx
|
|
∫∫
|
double
integral
|
integration
of function of 2 variables
|
∫∫ f(x,y)dxdy
|
∫∫∫
|
triple integral
|
integration
of function of 3 variables
|
∫∫∫ f(x,y,z)dxdydz
|
∮
|
closed
contour / line integral
|
|
|
∯
|
closed
surface integral
|
|
|
∰
|
closed
volume integral
|
|
|
[a,b]
|
closed
interval
|
[a,b]
= {x | a ≤ x ≤ b}
|
|
(a,b)
|
open
interval
|
(a,b)
= {x | a < x < b}
|
|
i
|
imaginary
unit
|
i ≡ √-1
|
z = 3 + 2i
|
z*
|
complex
conjugate
|
z = a+bi → z*=a-bi
|
z* = 3 - 2i
|
z
|
complex
conjugate
|
z = a+bi → z =
a-bi
|
z = 3 - 2i
|
∇
|
nabla /
del
|
gradient
/ divergence operator
|
∇f (x,y,z)
|
|
vector
|
|
|
|
unit
vector
|
|
|
x * y
|
y(t) = x(t)
* h(t)
|
|
|
|
F(s) = {f
(t)}
|
|
|
|
Fourier
transform
|
X(ω) = {f
(t)}
|
|
δ
|
delta
function
|
|
|
∞
|
|
Numeral symbols
Name
|
European
|
Roman
|
Hindu Arabic
|
Hebrew
|
zero
|
0
|
|
٠
|
|
one
|
1
|
I
|
١
|
א
|
two
|
2
|
II
|
٢
|
ב
|
three
|
3
|
III
|
٣
|
ג
|
four
|
4
|
IV
|
٤
|
ד
|
five
|
5
|
V
|
٥
|
ה
|
six
|
6
|
VI
|
٦
|
ו
|
seven
|
7
|
VII
|
٧
|
ז
|
eight
|
8
|
VIII
|
٨
|
ח
|
nine
|
9
|
IX
|
٩
|
ט
|
ten
|
10
|
X
|
١٠
|
י
|
eleven
|
11
|
XI
|
١١
|
יא
|
twelve
|
12
|
XII
|
١٢
|
יב
|
thirteen
|
13
|
XIII
|
١٣
|
יג
|
fourteen
|
14
|
XIV
|
١٤
|
יד
|
fifteen
|
15
|
XV
|
١٥
|
טו
|
sixteen
|
16
|
XVI
|
١٦
|
טז
|
seventeen
|
17
|
XVII
|
١٧
|
יז
|
eighteen
|
18
|
XVIII
|
١٨
|
יח
|
nineteen
|
19
|
XIX
|
١٩
|
יט
|
twenty
|
20
|
XX
|
٢٠
|
כ
|
thirty
|
30
|
XXX
|
٣٠
|
ל
|
forty
|
40
|
XL
|
٤٠
|
מ
|
fifty
|
50
|
L
|
٥٠
|
נ
|
sixty
|
60
|
LX
|
٦٠
|
ס
|
seventy
|
70
|
LXX
|
٧٠
|
ע
|
eighty
|
80
|
LXXX
|
٨٠
|
פ
|
ninety
|
90
|
XC
|
٩٠
|
צ
|
one
hundred
|
100
|
C
|
١٠٠
|
ק
|
Greek alphabet letters
Upper Case Letter
|
Lower Case Letter
|
Greek Letter Name
|
English Equivalent
|
Letter Name Pronounce
|
Α
|
α
|
Alpha
|
a
|
al-fa
|
Β
|
β
|
Beta
|
b
|
be-ta
|
Γ
|
γ
|
Gamma
|
g
|
ga-ma
|
Δ
|
δ
|
Delta
|
d
|
del-ta
|
Ε
|
ε
|
Epsilon
|
e
|
ep-si-lon
|
Ζ
|
ζ
|
Zeta
|
z
|
ze-ta
|
Η
|
η
|
Eta
|
h
|
eh-ta
|
Θ
|
θ
|
Theta
|
th
|
te-ta
|
Ι
|
ι
|
Iota
|
i
|
io-ta
|
Κ
|
κ
|
Kappa
|
k
|
ka-pa
|
Λ
|
λ
|
Lambda
|
l
|
lam-da
|
Μ
|
μ
|
Mu
|
m
|
m-yoo
|
Ν
|
ν
|
Nu
|
n
|
noo
|
Ξ
|
ξ
|
Xi
|
x
|
x-ee
|
Ο
|
ο
|
Omicron
|
o
|
o-mee-c-ron
|
Π
|
π
|
Pi
|
p
|
pa-yee
|
Ρ
|
ρ
|
Rho
|
r
|
row
|
Σ
|
σ
|
Sigma
|
s
|
sig-ma
|
Τ
|
τ
|
Tau
|
t
|
ta-oo
|
Υ
|
υ
|
Upsilon
|
u
|
oo-psi-lon
|
Φ
|
φ
|
Phi
|
ph
|
f-ee
|
Χ
|
χ
|
Chi
|
ch
|
kh-ee
|
Ψ
|
ψ
|
Psi
|
ps
|
p-see
|
Ω
|
ω
|
Omega
|
o
|
o-me-ga
|
Roman numerals
Number
|
Roman numeral
|
0
|
not
defined
|
1
|
I
|
2
|
II
|
3
|
III
|
4
|
IV
|
5
|
V
|
6
|
VI
|
7
|
VII
|
8
|
VIII
|
9
|
IX
|
10
|
X
|
11
|
XI
|
12
|
XII
|
13
|
XIII
|
14
|
XIV
|
15
|
XV
|
16
|
XVI
|
17
|
XVII
|
18
|
XVIII
|
19
|
XIX
|
20
|
XX
|
30
|
XXX
|
40
|
XL
|
50
|
L
|
60
|
LX
|
70
|
LXX
|
80
|
LXXX
|
90
|
XC
|
100
|
C
|
200
|
CC
|
300
|
CCC
|
400
|
CD
|
500
|
D
|
600
|
DC
|
700
|
DCC
|
800
|
DCCC
|
900
|
CM
|
1000
|
M
|
5000
|
V
|
10000
|
X
|
50000
|
L
|
100000
|
C
|
500000
|
D
|
1000000
|
M
|