Hewlett Packard (HPQ) inflation adjusted price, is calculated in today's money (today's value of money or today's purchasing power of money)
Hewlett Packard (HPQ) nominal price, is the recorded price of Hewlett Packard.
Hewlett Packard inflation adjusted price end of month - May 2013

Hewlett Packard (HPQ) inflation adjusted long term chart.
Hewlett Packard (HPQ) historical chart, 33 years.
Hewlett Packard inflation adjusted price end of month May 2013 - historical graph

Hewlett Packard inflation adjusted price end of month May 2013 - Logarithmic scale chart