SGN

Abbreviation with 2 meanings

SGN
Stands forTan Son Nhat International Airport
Meanings2
CategoriesTransportation & Travel, Units & Measurements
Also writtensgn

SGN has two meanings. It stands for Tan Son Nhat International Airport (airport code) or Sign function (math).

Meanings of SGN at a glance

#SGN stands forContext
1Tan Son Nhat International AirportTransportation & Travel › Airport Code
2Sign functionUnits & Measurements › Math

1. Tan Son Nhat International Airport

Transportation & Travel · Airport Code Abbreviations

Vietnam's busiest airport, located within Ho Chi Minh City about 6 kilometers north of the center. It is a hub for Vietnam Airlines and VietJet.

Example: Grab from SGN to District 1 takes about 30 minutes outside rush hour.

ICAO code VVTS. The code comes from Saigon, the city's name before 1976. During the Vietnam War, Tan Son Nhat was one of the busiest airfields in the world. The new Long Thanh International Airport is being built to relieve it.

2. Sign function (sgn)

Units & Measurements · Math Abbreviations

Function returning −1 for negative numbers, 0 for zero and 1 for positive numbers. It appears in analysis, signal processing and statistics, for instance in the sign test.

Example: sgn(−4.2) = −1 and sgn(7) = 1.

Also written sign in programming, as in NumPy's np.sign and Excel's SIGN. Any real number equals its sgn times its absolute value. The function is often read aloud as "signum" to avoid confusion with sine.

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More math abbreviations

  • s.t. – Such that
  • SA – Surface area
  • SAS – Side-Angle-Side (congruence)
  • sec – Secant
  • sinh – Hyperbolic sine
  • SOHCAHTOA – Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent =…
  • sqrt – Square root
  • SSS – Side-Side-Side (congruence)

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