Mathematical Formulas for Industrial and Mechanical Engineering

1.9 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

(Continued)

(Continued)

Symbols How to Read It How to Use It Examples

Ð

integral opposite to derivation

ÐÐ

double integral integration of function

of two variables

ÐÐÐ

triple integral integration of function

of three variables

Þ

closed contour/line

integral

∯ closed surface integral

∰ closed volume integral

[a,b] closed interval [a,b] 5 {xja # x # b}

(a,b) open interval (a,b) 5 {xja ,