The "long" name for it is "commercial at sign," but most people just refer to it as the "at sign."
That is called Backspace.
The ^ symbol is called a caret. Microsoft Word Symbols calls it a Circumflex Accent which is what that symbol is called when placed above a letter in French in words like forêt. A caret is often used to show where information or text should be added, when proofreading and editing. It is also used when using indices (mathematical term referring to X squared). They are written as X^2.
The actual term is 'paid in' capital It is the capital paid in by shareholders to the co above and beyond shared capital.
The actual term is 'paid in' capital It is the capital paid in by shareholders to the co above and beyond shared capital.
F11 on certain models, if different, specify keyboard model. On a US Dell keyboard, the key above the Enter key is for the backslash (\) and the pipe (|). ----- More properly, "|" is a "vertical bar" or sometimes a "vertical slash", just a "bar" [with context or local usage to distinguish between other (e.g., horizontal bar, top bar, double bars) uses], or even a "stick". "Pipe" is a term borrowed from computing because it is the symbol used in, for example, most UNIX shell scripts (programs) to indicate that two processes are linked (or chained) together and the output (standard out, optional standard error) from the left side is fed (or transferred) (i.e., "piped") to the process on the right side as input (standard in). Some later DOS and MS Windows batch or command utilities adopted this usage. "|" is used as a symbol in other computer languages, symbolic logic, mathematics, etc., so you may hear other names derived from what the symbol represents.
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The symbol for Blackrock Municipal 2018 Term Trust in the NYSE is: BPK.
The symbol for Blackrock Municipal 2020 Term Trust in the NYSE is: BKK.
The symbol for Vanguard Short-Term Government ETF in NASDAQ is: VGSH.
The symbol for Nuveen Mortgage Opportunity Term Fund in the NYSE is: JLS.
The symbol for Nuveen Preferred and Income Term Fund in the NYSE is: JPI.
I'm not 100% certain I understand what you are asking, but each number in an equation is most generically called a "term," while the actual "+" or "-" symbol is called the "operator".