One-to-one

One-to-one or one to one may refer to:

• One-to-one function or injective function
• One-to-one correspondence or bijective function
• One-to-one (communication), the act of an individual communicating with another
• One to one computing, an initiative for a computer for every student
• One-to-one marketing or personalized marketing, an attempt to make a unique product offering for each customer
• One to One (band), a 1980s Canadian pop music group
• One to One (Christine Fan album)
• One to One (Howard Jones album)
• One to One (Carole King album)
• One to One (TV series), an Irish TV series
• One to One (service), Apple's personal training service
• One 2 One, a defunct British mobile telecommunications company, now part of T-Mobile

See also

• One-to-many
• Many-to-many

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