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  2. Change of base - Wikipedia

    en.wikipedia.org/wiki/Change_of_base

    In mathematics, change of base can mean any of several things: Changing numeral bases, such as converting from base 2 to base 10 . This is known as base conversion. The logarithmic change-of-base formula, one of the logarithmic identities used frequently in algebra and calculus.

  3. National Registration Identity Card - Wikipedia

    en.wikipedia.org/wiki/National_Registration...

    A change of address does not require a replacement card, but must be reported within 28 days to ICA. Since 1 October 2020, reporting a change in address is done via an online e-service at the ICA website. For verification, a 6-digit PIN is mailed to the new address, and the applicant is asked to enter the PIN into the e-service.

  4. Immigration and Checkpoints Authority - Wikipedia

    en.wikipedia.org/wiki/Immigration_and...

    In 1995, the Immigration Department was renamed Singapore Immigration. An immigration checkpoint was established at the Changi Ferry Terminal in May that year. There was a change in the passport application and collection in the 1990s, reducing the need for applicants to report to the building.

  5. Unique Property Reference Number - Wikipedia

    en.wikipedia.org/wiki/Unique_Property_Reference...

    The Unique Property Reference Number (UPRN) is a unique number (a geocode) for every addressable location—e.g., a building, a bus stop, a post box, a feature in the landscape, or a defibrillator—in Great Britain. [1] Over 42 million locations have UPRNs, which can be found in Ordnance Survey's AddressBase databases. [1]

  6. Housing and Development Board - Wikipedia

    en.wikipedia.org/wiki/Housing_and_Development_Board

    The HDB Hub at Toa Payoh, headquarters of the Housing & Development Board of Singapore. HDB flats in Jurong West. The Housing & Development Board (HDB; often referred to as the Housing Board), is a statutory board under the Ministry of National Development responsible for the public housing in Singapore.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Inland Revenue Authority of Singapore - Wikipedia

    en.wikipedia.org/wiki/Inland_Revenue_Authority...

    Property owners with rental income may make claims on the total amount of their rental expenses. Alternatively, they may claim deemed rental expenses calculated based on 15% of the gross rent. In addition to the 15% deemed rental expenses, property owners may claim mortgage interest on the loan taken to purchase the tenanted property. [6]

  9. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    The standardized address is then compared against the entire list of valid addresses in the Address Management System to determine if it is a valid address. Address validity is based on many different factors, including address renumbering (via the USPS Locatable Address Conversion System) and address completeness. If an exact match is not ...