right (apex)
It has usually a red box at the vertex and is called a "right angle."
It is a right angle that measures 90 degrees and it has a special square like symbol
A
Such symbols are called entities. For the copyright symbol, use "©" (including the ampersand and the semicolon!)
It is the electrical symbol for an Ammeter (a device that measures current).
As a symbol (apex)
The symbol for MFS Special Value Trust in the NYSE is: MFV.
The symbol for Special Opportunities Fund Inc. in the NYSE is: SPE.
The unit that measures Capacitance is Farads. The letter symbol for that is a capital F.
Hinduism has no special symbol for 'karma'. However, in buddhism, the 'wheel' is the symbol of karma.
The trident.
An ohmmeter measures ohms. These are the measurement of electrical resistance. The symbol for ohms is the capital Omega symbol, a symbol that resembles an upside down horseshoe.