Technical Shop Mathematics, Third Edition

Appendix A

A.1 Greek Letters and Standard Abbreviations

The Greek letters are frequently used in mathematical expressions and formulas. The Greek alphabet is given below.

A

?

Alpha

H

?

Eta

N

?

Nu

T

?

Tau

B

?

Beta

?

?

Theta

?

?

Xi

?

Upsilon

?

?

Gamma

I

?

Iota

O

o

Omicron

?

Phi

?

?

Delta

K

?

Kappa

?

?

Pi

X

?

Chi

E

?

Epsilon

?

?

Lambda

R

?

Rho

?

?

Psi

Z

?

Zeta

M

?

Mu

?

? ?

Sigma

?

?

Omega

A.2 Factors and Prefixes for Decimal Multiples of SI Units

Decimal multiples and sub-multiples of SI units are formed by using the prefixes given in the following table, which represent the numerical factors shown.

Factor by which the unit is multiplied

Prefix

Symbol

Factor by which the unit is multiplied

Prefix

Symbol

10 12

tera

T

10 ? 2

centi

c

10 9

giga

G

10 ? 3

milli

m

10 6

mega

M

10 ? 6

micro

?

10 3

kilo

k

10 ? 9

nano

n

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