There are two basic ways to do fractions on your iPhone calculator. Here's what you need to know to use the built-in app.

It's easy to divide in Excel to make calculations and analyze data in a spreadsheet. Here's what you need to know to do it.

Use market cap and share price to find shares outstanding by dividing the former by the latter. Balance sheets show issued shares by listing par values multiplied by shares issued. Issued but not ...