For Windows 8/10: 1  Move your mouse cursor to the taskbar at the bottom left corner, type âdefragâ in the search box. 2  Click the âDefragment and Optimize Driversâ option. 3  Now select and view current status by clicking âAnalyzeâ check how fragmented your HP hard drive is.  Hit âOptimizeâ to start defragmenting.
Rating Newest Oldest. Best Answer: The characters N/A (sometimes n/a) are an abbreviation that is mainly used in information tables. It stands for one of the following: (a complete list) * Not available: Where there exists a lack of data.
A = average (or arithmetic mean) n = the number of terms (e.g., the number of items or numbers being averaged) x1 = the value of each individual item in the list of numbers being averaged. The following is the formula for the arithmetic mean, stated in a more readable and understandable form. A = average (or arithmetic mean) N = the number of terms (e.g., the number of items or numbers being averaged) S = the sum of the numbers in the set of interest (e.g., the sum of the numbers being averaged) One common trap that some students fall into is they automatically divide by 2.