To apply the dollar currency to a value, select the cell, press Ctrl+1 to launch the Format Cells dialog box, and select "Currency" or "Accounting" in the Number tab. Then, choose the dollar symbol ...
Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...