If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal ...

How to create conditional formatting rules in Excel Once the custom value formats exist, you can apply them using conditional formatting rules. Right now, the format is set to General.

To show numbers in thousands or millions in Excel, you can use these two formatting conditions: #0,”K” and #0,,”M”. To apply them, select the cell, right-click on it, and select the Format ...

Type "=DEC" without quotes in an Excel cell. A drop-down box will prompt you to select DEC2BIN, DEC2HEX or DEC2OCT. Tooltip text will state that DEC2BIN "Converts a decimal number to binary." ...