These non-GAAP measures include non-GAAP gross profit, non-GAAP gross margin, non-GAAP operating expenses, non-GAAP income tax expense, non-GAAP net income, non-GAAP net income, or earnings, per share, and free cash flow.

ENGADGET: NVIDIA posts Q4 2013 earnings: $1.1 billion in revenue, $174 million in profit

Non-GAAP operating income and non-GAAP operating margin exclude stock-based compensation (SBC) expense, as well as restructuring and related charges recorded in our Motorola Mobile business.

FORBES: Google: Lower Tax Rate Materially Helped EPS. EPS Would Have Missed While Revenue Was Strong.