An economist Donald Trump cited in calculations for his extra-high global tariffs says that the president should get an F- in math.

President Donald J. Trump ’s unveiling of worldwide tariffs last week sent the American economy into a tailspin, and John ...

Now, it's time to make Excel count how many of each animal there are in your original table, and this is where using the hash sign makes life a lot easier. To do this, you'll need ...