User:حبیب خادمیان/Works

[[File:IRA-1b-Imperial Bank of Persia-One Toman (1906).jpg|thumb|right|450px|Original – Imperial Bank of Persia, One Toman (1906), depicting [[Naser al-Din Shah File:Habibkhademiyan2.gif

Top: Input signal as a function of time, Middle: Output signal as a function of time. Bottom: resulting Lissajous curve when output is plotted as a function of the input. In this particular example, because the output is 90 degrees out of phase from the input, the Lissajous curve is a circle.

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This page is about the Iranian capital city. For other uses, see حبیب خادمیان/Works (disambiguation).

Tehran تهران
Metropolis
کلانشهر تهران · Tehran Metropolis
[[File:|The Azadi Tower|132px]] [[File:|Shemiran|132px]] Clockwise from top: Milad Tower seen from Qarb Town, Shemiran, Ab-o-Atash Park, Mount Tochal seen from Modarres Expressway, Golestan Palace, Ferdows Garden, and the Azadi Tower.
Seal
Tehran
Coordinates: 35°41′46″N 51°25′23″E
Country	Iran
Province	Tehran
County	Tehran Shemiranat
Bakhsh (District)	Central
Government
• Mayor	Mohammad Bagher Ghalibaf
• City Council	Chairman: Mehdi Chamran
Area
• Urban	617.73 km2 (238.51 sq mi)
Elevation	900 to 1,830  m (2,952 to 6,003 ft)
Population  (2015)
• Density	12,896/km2 (33,400/sq mi)
• Urban	8,846,782
• Metro	15,232,564
• Population Rank in Iran	1st
	Population Data from 2015 Census and Statistical Centre of Iran Metro area figure refers to Tehran Province.
Demonym	Tehrani (en)
Time zone	UTC+03:30 (IRST)
• Summer (DST)	UTC+04:30 (IRDT)
Area code	021
Website	www.tehran.ir