WikiCardsGoogle PlayPlay now

The Wikipedia card gamestudio IVRYN

Play on iPhone nowFree in Safari. Add it to your Home Screen.Play

WikiCards · Card list · Science cards · Computable number

Uncommon card · Science

Computable number, an Uncommon card

In mathematics, computable numbers are the real numbers that can be computed to within any desired precision by a finite, terminating algorithm.

From the Wikipedia article

Rarity
Uncommon
Domain
Science
ATK
67
DEF
40
Power
107
Wikipedia reads a year
27,000

Power 107 (ATK + DEF): stronger than 60 % of WikiCards cards.

Get it onGoogle PlayPlay nowFree, no ads, no account needed. WikiCards plays free in Safari, nothing to install.

Computable number quiz: 3 questions

Three questions on the Computable number card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

  1. Find the missing word

    They are also known as the ______ numbers, effective numbers, computable reals, or recursive reals.

    Answer

    recursive. They are also known as the recursive numbers, effective numbers, computable reals, or recursive reals. From the Computable number article on Wikipedia.

  2. In which decade?

    The concept of a computable real number was introduced by Émile Borel in ____, using the intuitive notion of computability available at the time.

    Answer

    1910s. The concept of a computable real number was introduced by Émile Borel in 1912, using the intuitive notion of computability available at the time. From the Computable number article on Wikipedia.

  3. Which of these cards hits hardest (highest ATK)?

    Answer

    Computable number. Computable number 67 · Saab 21R 62 · Balance beam 58 · Ammonium dihydrogen phosphate 55 ATK in WikiCards.

In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.

The facts on the card

The card carries these facts from its Wikipedia article.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Computable number article was read about 27,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 40: each hit it takes is cut by 16 %.

How to get Computable number

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

More Science cards

Cards close in power

The cards just above and just below Computable number in the power ranking, all domains together.

Card lists

Credits

Text : Wikipedia, Computable number (revision), CC BY-SA 4.0. Photo : User:LoStrangolatore, CC BY-SA 3.0, Wikimedia Commons.

WikiCardsThe Wikipedia card gameInstall