This workbook uses standard abbreviations for units of measure. Units of measure are listed below. Refer to the Glossary in Appendix A for further help. As is the case when you are studying any subject, you should also have a good English dictionary at hand.
k (with a unit of measure) kilo (10 3 , or thousand)
M (with a unit of measure) Mega (10 6 , or million)
G (with a unit of measure) Giga (10 9 , or billion; in countries using the metric system outside the USA,
a billion is 10 12 . Giga, however, is always 10 9 .)
T (with a unit of measure) Tera (10 12 , or a million million)
P (with a unit of measure) Peta (10 15 )
E (with a unit of measure) Exa (10 18 )
Hz Hertz
K Kelvin
m meter (USA spelling; elsewhere, metre)
nm nanometer (10 -9 meter)
![]() |