Excel also comes with functions such as natural log, square root, etc.
Go to cell C5
Click on the Tool
fx
(function wizard)
This should be on the tool bar
Click on the category Math & Trig (highlight)
Click on the function LOG10
Click on next>
You must now enter a value or a cell reference
Enter the value 55
You should see output 1.740
Let's try with referencing a cell
Go to cell D1
Click on the Tool
fx
Click on the category Math & Trig (highlight)
Click on the function LN
Click next>
Now enter a reference
Click inside cell C3
You should see output 1.386294
