Formula autocomplete
Excel automatically appends the _____ to complete the AVERAGE function when you click the Enter box or press the ENTER key.
When you choose the Insert Function command and then pick a function to use, it will appear so that you can type arguments into it.
Use the arcsine function. On calculators, this appears as sin-1, in Excel it is ASIN(x).
In Excel, you can use the max() function. You can type a range (or several ranges) within the max() function. For a single range, just type: =max( and select the desired range, then type the closing parenthesis.
=NOW() returns the current date and time. The way it appears on your spreadsheet depends on how you format the cell.
Yes you can do that. The main function to do that is the If function. See the link below for more information on it.
The equals symbol appears before all formulas, like: =SUM(A1:A15) =AVERAGE(B2:B20) =MAX(C10:E14)
There is no step function in Excel. However, you can use excel to create a Step Function Chart. See related links for a video to explain the process.
Function
There is no function of that name in Excel. There is a function called VLOOKUP which stands for Vertical Lookup, and is probably what you mean.
In Excel Where are the various function categories stored on the Ribbon?
Yes, Excel is capable of opening XML files.