Here are the Numeral Symbols and Roman Numerals

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

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

 

 

Have you Learnt the Algebraic 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


lemniscate
infinity symbol
 


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 […]

Important Geometry Symbols for Math Students

 

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 […]

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Topic: SPHERICAL GEOMETRY

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Lines of latitude run East & West or horizontal but measure distance North & South of the […]

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