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  2. Permanent account number - Wikipedia

    en.wikipedia.org/wiki/Permanent_account_number

    A permanent account number ( PAN) is a ten-character alphanumeric identifier Foundational ID, issued in the form of a laminated "PAN card", by the Indian Income Tax Department, to any person who applies for it or to whom the department allots the number without an application. It can also be obtained in the form of a PDF file known as e-PAN ...

  3. Procedure word - Wikipedia

    en.wikipedia.org/wiki/Procedure_word

    Pan-pan (pronounced / ˈ p æ n ˈ p æ n /) [15] is the official urgency voice call. Meaning "I, my vessel or a person aboard my vessel requires assistance but is not in distress." This overrides all but a mayday call, and is used, as an example, for calling for medical assistance or if the station has no means of propulsion.

  4. List of proofreader's marks - Wikipedia

    en.wikipedia.org/wiki/List_of_proofreader's_marks

    This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. These are usually handwritten on the paper containing the text. Symbols are interleaved in the text, while abbreviations may be placed in a margin with an arrow pointing to the ...

  5. Correction (newspaper) - Wikipedia

    en.wikipedia.org/wiki/Correction_(newspaper)

    A correction differs from a clarification, which clears up a statement that – while factually correct – may result in a misunderstanding or an unfair assumption. Examples [ edit ] Most newspaper errors are relatively minor, but even mere typos or atomic typos can adversely affect a story, such as:

  6. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...

  7. FDA warning letter - Wikipedia

    en.wikipedia.org/wiki/FDA_Warning_Letter

    A Warning Letter is one of the Agency's principal means of achieving prompt voluntary compliance with the Act. [1] While the FDA generally determines violations through its own inspections, they can also issue one based on evidence from state personnel. [2] The FDA considers a warning letter informal and advisory.

  8. Toric code - Wikipedia

    en.wikipedia.org/wiki/Toric_code

    The means to make the toric code, or the planar code, into a fully self-correcting quantum memory is often considered. Self-correction means that the Hamiltonian will naturally suppress errors indefinitely, leading to a lifetime that diverges in the thermodynamic limit.

  9. Data clarification form - Wikipedia

    en.wikipedia.org/wiki/Data_clarification_form

    Data clarification form. A data clarification form ( DCF) [1] or data query form is a questionnaire specifically used in clinical research. The DCF is the primary data clarification tool from the trial sponsor or contract research organization (CRO) towards the investigator to clarify discrepancies and ask the investigator for clarification.