A colon is used between the number of a ratio.
(A colon is also used to separate the digits of a sexagesimal (base 60) number used to represent seconds (or minutes) since midnight, ie the time of day.)
I do not think it has a formal name other than "the ratio symbol " written as : : ". Sort of like the "=" sign is called "the equal sign"
It is a colon.
G
The shape or symbol used to denote infinity is a 8 on its side: "∞"
It is the Greek letter phi. This browser will not allow me to show it.
Yes, the "prime" symbol (')can be used to denote minutes. The prime symbol looks similar to an apostrophe, but is a straight line. So, 10 minutes would be written as 10'. You didn't ask, but the double prime symbol can be used to denote seconds, as in 10".
Possibly because x and y are used to denote the real and imaginary parts, respectively.
G
That symbol is called the radical.
S
Any symbol can be used to denote a set of integers. The set of all integers is denoted by Z, and the set of natural numbers by N.
The shape or symbol used to denote infinity is a 8 on its side: "∞"
The shape or symbol used to denote infinity is a 8 on its side: "∞"
The shape or symbol used to denote infinity is a 8 on its side: "∞"
C is ussally the symbol used to denote the velocity of light.
The unit of wavelength is a Hertz, written as Hz.
The symbol (aq) is used to denote that sodium chloride (or any other compound) is in aqueous medium.
It is the Greek letter phi. This browser will not allow me to show it.
Yes, the "prime" symbol (')can be used to denote minutes. The prime symbol looks similar to an apostrophe, but is a straight line. So, 10 minutes would be written as 10'. You didn't ask, but the double prime symbol can be used to denote seconds, as in 10".