If the document opened in the IFRAME does not have any targets set, then all those links will open in the same iframe as the parent document. You can use this feature to make links in one IFRAME change the contents of another IFRAME on the same page. IFrames and Security. The IFRAME element, by
Sigma notation, often referred to as summation notation, can be used in many common situations. For example, it can be used to calculate the sum of deposits for a bank account. Banks add together all deposits and withdrawals to determine the current balance.
Now we are going to take a look at function notation and how it is used in Algebra. The typical notation for a function is f(x). This is read as f of x This does NOT mean f times x. This is a special notation used only for functions. However, f(x) is not the only variable used in function notation. You may see g(x), or h(x), or even b(a). You can use any letters, but they must be in the same format - a variable followed by another variable in parenthesis.