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  2. Coins of the pound sterling - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_pound_sterling

    The first decimal coins – the five pence (5p) and ten pence (10p) — were introduced in 1968 in the run-up to decimalisation in order to familiarise the public with the new system. These initially circulated alongside the pre-decimal coinage and had the same size and value as the existing one shilling and two shilling coins

  3. Odds - Wikipedia

    en.wikipedia.org/wiki/Odds

    Decimal odds are favoured by betting exchanges because they are the easiest to work with for trading, as they reflect the inverse of the probability of an outcome. [13] For example, a quoted odds of 5.00 equals to a probability of 1 / 5.00, that is 0.20 or 20%. Decimal odds are also known as European odds, digital odds or continental odds. [9]

  4. Round-off error - Wikipedia

    en.wikipedia.org/wiki/Round-off_error

    Example: the decimal number () = (¯) can be rearranged into + ⏟ … Since the 53-rd bit to the right of the binary point is a 1 and is followed by other nonzero bits, the round-to-nearest rule requires rounding up, that is, add 1 bit to the 52-nd bit.

  5. Rounding - Wikipedia

    en.wikipedia.org/wiki/Rounding

    Approximating a fraction by a fractional decimal number: 5 / 3 1.6667: 4 decimal places: Approximating a fractional decimal number by one with fewer digits 2.1784: 2.18 2 decimal places Approximating a decimal integer by an integer with more trailing zeros 23217: 23200: 3 significant figures Approximating a large decimal integer using ...

  6. Penny (British decimal coin) - Wikipedia

    en.wikipedia.org/wiki/Penny_(British_decimal_coin)

    The British decimal one penny (1p) coin is a unit of currency and denomination of sterling coinage worth 1 ⁄ 100 of one pound.Its obverse featured the profile of Queen Elizabeth II since the coin's introduction on 15 February 1971, the day British currency was decimalised, until her death on 8 September 2022.

  7. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    To represent the number 1,230,400 in normalized scientific notation, the decimal separator would be moved 6 digits to the left and × 10 6 appended, resulting in 1.2304 × 10 6. The number −0.004 0321 would have its decimal separator shifted 3 digits to the right instead of the left and yield −4.0321 × 10 −3 as a result.

  8. Penny (British pre-decimal coin) - Wikipedia

    en.wikipedia.org/wiki/Penny_(British_pre-decimal...

    The British pre-decimal penny was a denomination of sterling coinage worth 1⁄240 of one pound or 1⁄12 of one shilling. Its symbol was d, from the Roman denarius. It was a continuation of the earlier English penny, and in Scotland it had the same monetary value as one pre-1707 Scottish shilling. The penny was originally minted in silver, but ...

  9. Twopence (British pre-decimal coin) - Wikipedia

    en.wikipedia.org/wiki/Twopence_(British_pre...

    The British twopence (2d) (/ ˈtʌpəns / or / ˈtuːpəns /) coin was a denomination of sterling coinage worth two pennies or ⁠ 1 120 ⁠ of a pound. It was a short-lived denomination in copper, being minted only in 1797 by Matthew Boulton 's Soho Mint. These coins were made legal tender for amounts of up to one shilling by a proclamation of ...