From here you can scroll through hundreds of symbols. Each character represented with a code and saved with a predefined ASCII code internally. When comparing text values Microsoft Excel ignores their case and compares the values symbol by symbol a being considered the lowest text value and z - the highest text value.
In Excel the caret symbol also known as the little hat or the symbol when you press Shift 6 is used to indicate exponents.
Now that we have the IF function showing the correct value all the cells containing the formula need to be formatted in a font such as Calibri to show the symbol. This is done using Conditional Formatting. To insert one click on it then click Insert. Press F4 three times C2 will change to C2.