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Memory Alpha
TCARS-relativity

A TCARS timeline analysis aboard the USS Relativity

TCARS was an acronym for the Temporal Computer Access and Retrieval System (citation needededit) used aboard 29th century timeships. It was the successor to the Federation's starship LCARS. Its control interface could be operated by touch or by simply moving one's hand over a control surface.

The TCARS computer system was used aboard Wells-class timeships, such as the USS Relativity. On the Relativity, it could be used to locate past problems in a timeline along with performing normal starship computer routines. (VOY: "Relativity")

At some point, agents of the Department of Temporal Investigations began using portable devices that included holographic TCARS interface screens. (SNW: "Tomorrow and Tomorrow and Tomorrow")

The on-screen appearances of term "TCARS" is entirely in lower case letters, and wasn't spoken in dialogue. It appeared on the viewscreen diagrams, and in text depicting the temporal disruptor and the Kazon encounter.

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