Ed. list a wide range of wholesale prices for faceted gem rubies. Prices are dependent on origin, color, size, and clarity: from a low of $100 to $15,000/ ct maximum. Burmese stones in 1/2 to 1 ct sizes with slightly purplish red color and light inclusions range from $300 to $3000/ ct, for example.
The Microsoft Excel ISNA function can be used to check for a #N/A (value not available) error. The ISNA function is a built-in function in Excel that is categorized as an Information Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the ISNA function can be entered as part of a formula in a cell of a worksheet. The syntax for the ISNA function in Microsoft Excel is:
Use Excel's ISERROR function. The ISERROR function generally refers to cell references, not hard numbers. Say you want to find out if the range of cells A1:A14000 contains an error. Click your mouse on a blank cell and type the following formula: =ISERROR(A1:A14000).Don't put a period at the end of the function formula.Press Enter.. If Excel finds an error in this range of cells, it displays TRUE..ay you want to find out if the range of cells A1:A14000 contains an error. Click your mouse on a blank cell and type the following formula: =ISERROR(A1:A14000). Don't put a period at the end of the function formula. Press Enter.. If Excel finds an error in this range of cells, it displays TRUE..