75D Kohoutek
75D may refer to: * HP-75D, handheld computer introduced in 1984 * Tesla Model X 75D, all-electric cross-over SUV (XUV/CUV) * 75D/Kohoutek, a short-period comet discovered in February 1975 by Lubos Kohoutek See also * D75 (other) * 75 (other) 75 may refer to: * 75 (number) * one of the years 75 BC, AD 75, 1875 CE, 1975 CE, 2075 CE * ''75'' (album), an album by Joe Zawinul * M75 (other), including "Model 75" * Highway 75, see List of highways numbered 75 *Alfa Romeo 75, a c ...

HP-75
The HP-75C and HP-75D were hand-held computers programmable in BASIC, made by Hewlett-Packard from 1982 to 1986. The HP-75 had a single-line liquid crystal display, 48 KiB system ROM and 16 KiB RAM, a comparatively large keyboard (albeit without a separate numeric pad), a manually operated magnetic card reader (2×650 bytes per card), 4 ports for memory expansion (1 for RAM and 3 for ROM modules), and an HP-IL interface that could be used to connect printers, storage and electronic test equipment. The BASIC interpreter also acted as a primitive operating system, providing file handling capabilities for program storage using RAM, cards, or cassettes/diskettes (via HP-IL). Other features included a text editor as well as an appointment reminder with alarms, similar to functions of modern PDAs. The HP-75D (1984–1986) added a port for a bar code wand, often used for inventory control tasks. The HP-75 was comparatively expensive with an MSRP of $995 ($2,014 in 2005) for the 75C ...
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Tesla Model X
The Tesla Model X is a Battery electric vehicle, battery electric Mid-size crossover SUV#Luxury, mid-size luxury crossover SUV produced by Tesla, Inc. since 2015. Developed from the full-size car, full-sized sedan platform of the Tesla Model S, the vehicle is notable in that it uses falcon wing doors, falcon-wing doors for passenger access. The Model X has an United States Environmental Protection Agency, EPA size class as an Sport utility vehicle, SUV, and shares around 30 percent of its content with the Model S, half of the originally planned 60 percent, and weighs about 10 percent more. Both the Model X and Model S are produced at the Tesla Factory in Fremont, California. The concept car, prototype was unveiled at Tesla's design studios in Hawthorne, California on February 9, 2012. First deliveries of the Model X began in September 2015. After one full year on the market, in 2016, the Model X ranked seventh among the world's best-selling plug-in cars. As of April 12, 2021, t ...
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75D/Kohoutek
75D/Kohoutek is a short-period comet discovered in February 1975, by Luboš Kohoutek. Even on the discovery plate the comet was only apparent magnitude 14. Assuming the comet has not disintegrated the 2020-2021 perihelion passage is only expected to peak around apparent magnitude 20. Not to be confused with the much better-known C/1973 E1 (Kohoutek), 75D is a repeat visitor to the inner Solar System, with a period of about seven years. It was placed on the discovery orbit when it passed from Jupiter on 28 July 1972. Apparitions have been dim, with the brightest being in 1988 at about apparent magnitude 13. It was not seen in 1994, 2000, 2007, nor on its last predicted return in 2014. The comet has been estimated to be in diameter. This comet was last observed by Mauna Kea on 19 May 1988. The Minor Planet Center has given the comet a "D/" designation as the comet is believed to be lost. The comet is calculated to come to opposition in October 2020 in the constellation of Pisce ...
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D75 (other)
D75 may refer to: * a standard illuminant : see Standard illuminant#Illuminant series D * D 75 road (United Arab Emirates) * Neo-Grünfeld Defence, Encyclopaedia of Chess openings code See also * 75D (other) * 75 (other) 75 may refer to: * 75 (number) * one of the years 75 BC, AD 75, 1875 CE, 1975 CE, 2075 CE * ''75'' (album), an album by Joe Zawinul * M75 (other), including "Model 75" * Highway 75, see List of highways numbered 75 *Alfa Romeo 75, a c ...