This press release includes information about non-GAAP operating income, non-GAAP net income, and non-GAAP earnings per share (collectively with non-GAAP gross margin and non-GAAP operating expenses, the "non-GAAP financial measures"), which are not measurements of financial performance prepared in accordance with U.S. generally accepted accounting principles.

ENGADGET: Dell reports Q4 2013 earnings: $14.3 billion in revenue as profits plummet 31 percent year-over-year

The following tables include information about non-GAAP gross margin, non-GAAP operating expenses, non-GAAP operating income, non-GAAP net income, and non-GAAP earnings per share (collectively, the "non-GAAP financial measures"), which are not measurements of financial performance prepared in accordance with U.S. generally accepted accounting principles.

ENGADGET: Dell reports Q4 2013 earnings: $14.3 billion in revenue as profits plummet 31 percent year-over-year

Thus, despite a non-GAAP gross operating margin of 48.1%, IBM suffered a horrible post-earnings stock price drop.

FORBES: IBM's Services Units Struggle For Growth As Quicker Rivals Like Accenture Rise

Roper reports results, including revenue, operating margin, net income and diluted earnings per share, on a GAAP and non-GAAP basis.

FORBES: 52-Week High Companies: SSUN, YHOO, ADS, ROP

Google reports operating income, operating margin, net income, and earnings per share (EPS) on a GAAP and non-GAAP basis.

ENGADGET: Google announces Q2 earnings: $9.02 billion in revenue, $2.51 billion in net income