Roman Numerals
Roman Numeral Rules
Can repeat a symbol up to 3 times
Numeral of lesser value after a larger one is added (e.g. 6 = VI)
Numeral of lesser value before a larger one is subtracted (e.g. 4 =IV)
When numeral of lesser value is between 2 larger values, it is first substracted from the one after it and this number is added to the rest (e.g. 140 = CXL)
Use the largest value roman numerals possible
Basic units of the metric system
Metric System Conversions
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w/w, w/v, v/v calculations
w/w = g / 100 g
w/v = g/ 100 mL
v/v = ml/ 100 ml
Apothecary System Weight Notations:
1 troy pound –> ounces
1 ounce –> drams
1 dram –> scruples
1 scruple –> grains
Apothecary system fluid notations:
gallon –> quarts
quart –> pints
pint –> fluid ounces
fluid ounce –> fluid drams
fluid dram –> minims
Avoirdupois System
Pound, Ounce and Grains
Temperature Notations
Apothecary Inter system Conversion
Volume:
Minimim, fluid ounce, pint, tasp and gallon to mL
Weight:
Ounce, grain, pound
Avoirdupois Intersystem Conversion
Approximate Metric Coversions
When to use excat vs approximate conversions?
Metric ml –> cm3
Metric Uniqueness of H2O
SI and Imperial Conversions for Length
SI to Imperial Conversions Volume
SI to Imperial Equivalents of Weight
