All articles starting with H

HP Helan Shan

HP Helan Shan (Helan Mountains, 贺兰山) is a ~200 km mountain range on the Ningxia–Inner Mongolia border, peaking at 3,556 m, separating the Yinchuan Plain from desert, with Quaternary tectonic uplift, Helankou rock art, a nature reserve, and a major wine region on its eastern foothills.

HP Helges Halvo/ Pandebrasken (HP Skjoldungen)

Pandebrasken, also listed as the HP of Helges Halvo, is the roughly 1,750 m high point of the Skjoldungen region, King Frederick VI Coast, southeastern Greenland; named by the 7th Thule Expedition 1932-33.

HP Hung-Wang Shan

HP Hung-Wang Shan, or Xueling (雪岭), is a 4,330-4,344 m peak in Kunming Prefecture, Yunnan, China, with about 2,470 m prominence; the highest point of Peakbagger's Greater Guizhou Ranges and fourth-most-prominent East Asian ultra.

HP Inc.

HP Inc. (HPQ), formerly Hewlett-Packard Company until the October 2015 renaming, is a Palo Alto-based personal computing and printing company with Personal Systems and Printing segments, $55.3 billion fiscal 2025 revenue, and a 1939 garage founding story.

HP Integrated Lights-Out

HP Integrated Lights-Out (iLO) is an embedded, out-of-band server management technology in HPE ProLiant servers that lets administrators remotely monitor, manage, and troubleshoot servers independent of the host OS.

HP Kuh-e Baba

Kuh-e Baba (کوہ بابا), central Afghanistan mountain range, primary national watershed, westernmost glaciated range, core of Hazarajat; distinct same-named peaks in Bamyan, Wardak, Herat.

HP Kuh-e Safed Khers

HP Kuh-e Safed Khers (کوه سفید خرس) is the 5,326 m high point of a Hindu Kush peak in Darwaz-e Bala District, Badakhshan, Afghanistan; an ultra with 2,470 m prominence, distinct from a 4,354 m namesake mountain nearby.

HP LaserJet

HP LaserJet, also known as Hewlett-Packard LaserJet, is a line of laser printers made by HP since 1984, when the original became the first desktop laser printer.

HP Nakanai Mtns.

HP Nakanai Mtns. is the high point of the Nakanai Mountains (Nakanai Ranges) in Pomio District, East New Britain, Papua New Guinea, a 2,185 m limestone karst summit with giant river caves, megadolines, and World Heritage tentative listing.

HP New Ireland

HP New Ireland is a 2,340 m mountain on New Ireland island, Papua New Guinea; the island's highest peak by elevation and prominence, an Ultra ranked 8th of 965 in PNG by prominence.

HP Parnaqussuit Qavaat

Parnaqussuit Qavaat, also Paarnaqussuit Qaavat or Paornaqussuit Qâvat, is a mountain in Qeqqata, Greenland. Its high point rises about 1,843 m with 1,803 m prominence, Greenland's #11 ultra.

HP Pavilion

HP Pavilion is a consumer computer brand sold by HP Inc. since 1995, when the Pavilion 5030 became HP's first multimedia PC designed for the home market.

HP Prime

The HP Prime is a graphing calculator with a computer algebra system, color multi-touch screen, and rechargeable battery, introduced by Hewlett-Packard in autumn 2013 and still produced in a revised G2 version.

HP ProBook

HP ProBook is a line of business-oriented notebook computers from HP Inc., introduced in April 2009, aimed at small and medium-sized businesses and positioned below the premium EliteBook line.

HP Renland

HP Renland, the Renland high point, is the 2,200 m highest summit of Greenland's Renland peninsula, on the northern shores of the Scoresbysund fjord system.

HP Rooseveltsfjeld or Johannes V. Jensen Land

Johannes V. Jensen Land, also called HP Rooseveltsfjeld after its 1,920 m high point in Roosevelt Fjelde, is the northern third of Peary Land, North Greenland: a 190 km alpine fold-belt peninsula with the world's northernmost dwellings, named by the 1947–1950 Danish Pearyland Expedition.

HP Sauce

HP Sauce is the defining British brown sauce, a tangy tamarind-and-date condiment created by Nottingham grocer Frederick Gibson Garton, sold for £150, launched nationally in 1903 by the Midland Vinegar Company, and now owned by Kraft Heinz.

HP Sibuyan Island

HP Sibuyan Island is Mount Guiting-Guiting (G2), the 2,058 m ultra-prominent high point of Sibuyan Island, Romblon, Philippines, core of Mt. Guiting-Guiting Natural Park (proclaimed 1996) and one of the country's hardest 9/9 climbs.

HP Sierra la Madera

Sierra la Madera, labeled HP Sierra la Madera on Cuatrociénegas-area maps, names two Mexican ranges: a 1,985 m granitic Sonora pluton in the Magdalena metamorphic core complex, and a Coahuila anticlinal limestone sierra.

HP Storo

HP Storo (Storo High Point, Kaasarip Nasaa High Point) is the 1,765-1,770 m ultra-prominent summit of Storo island in Scoresby Sound, Sermersooq, eastern Greenland; key col at sea level, isolation about 12.9 km.

HP Traill

HP Traill (Traill HP) is the 1884 m high point of Traill Ø, an island in Northeast Greenland National Park at about 72°30'N 24°W, known for its Mesozoic-Tertiary geology and the Karupelv Valley research site.

HP Yuzhno Muiskyy Khrebet

Yuzhno Muiskyy Khrebet, also recorded as Yuzhno-Muyskiy Khrebet, is a mountain range in Transbaikalia, Russia, mostly in Buryatia. Its highest summit, Muisky Giant, rises to 3,067 m.

HP-12C

The HP-12C is a programmable financial calculator using Reverse Polish Notation, introduced by Hewlett-Packard on September 1, 1981, and still in continuous production as HP's longest-selling product.

HP-35

The HP-35 is a shirt-pocket-sized scientific calculator introduced by Hewlett-Packard in 1972 for $395, the first handheld able to compute the trigonometric, logarithmic, and exponential functions of a slide rule.

HP-42S

The HP-42S, also known as the HP-42S RPN Scientific, is a programmable RPN scientific calculator introduced by Hewlett-Packard in 1988 as a software-compatible successor to the HP-41C series.

HP-UX

HP-UX is Hewlett-Packard's Unix operating system for enterprise servers, running only on HP 9000 and Integrity Itanium hardware; its final release, 11i v3, lost support in 2025.

HP3 mole

The HP3 mole was a self-hammering probe of NASA's InSight lander, built by DLR to measure Martian heat flow, which failed to burrow past 37 centimeters by 2021.

HPAF-II

HPAF-II, also written HPAF-2, is a well-differentiated human pancreatic ductal adenocarcinoma cell line established from the ascites of a 44-year-old man, cataloged as ATCC CRL-1997.

HPB-ALL

HPB-ALL (HPB/ALL, CVCL_1820) is a human T-cell acute lymphoblastic leukemia cell line established in 1973 from a 14-year-old Japanese boy, CD4+CD8+, NOTCH1-mutant, TLX3-expressing, distributed as DSMZ ACC 483 and RIKEN RCB1935.