W/and w/o
The symbol: % comes from an Italian abbreviation of their word, per cento
it is &... and and is a word but the looks like a symbol for and... doesn't it.
pi is not an abbreviation. It is a letter of the Greek alphabet symbol that symbolises one particular ratio.
The abbreviation for "2 above" is typically "2↑" or "2 abv." The symbol "↑" indicates "above," while "abv" is a common abbreviation for "above."
With = w/ Without = w/o
The abbreviation for nanogram is "ng"(without quotes).
The symbol for the Euro is: € The standard abbreviation is: EUR
This symbol is α2+.
sym
The symbol for the Afghan afghani is افغانۍ, which is the abbreviation "؋".
Symbol
The element with the same symbol as the postal abbreviation of Montana is Manganese (Mn).
The chemical symbol for methane is CH4.
Helium doesn't have an abbrevaition but its chemical symbol is He.
SrActually called the symbol for strontium.
The element krypton has the symbol Kr.
The unit of Current is Ampere. Abbreviation of Current is 'I' and that of Ampere is 'A'. The unit of Resistance is ohm. Abbreviation of Resistance is 'R' and that of ohm is the symbol of 'omega' or the symbol of 'ohm'.