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WikiCards · Card list · Science cards · Hindu–Arabic numeral system
Uncommon card · Science
Hindu–Arabic numeral system, an Uncommon card
The Hindu–Arabic numeral system is a base ten positional numeral system.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 70
- DEF
- 65
- Power
- 135
- Wikipedia reads a year
- 150,000
Power 135 (ATK + DEF): stronger than 65 % of WikiCards cards.
Hindu–Arabic numeral system quiz: 3 questions
Three questions on the Hindu–Arabic numeral system card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is presently the most common ______ system.
Answer
decimal. It is presently the most common decimal system. From the Hindu–Arabic numeral system article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Decimal separator. Decimal separator 78 · Abugida 75 · Hindu–Arabic numeral system 70 · Chitin 67 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.
- It is presently the most common decimal system.
- The system was invented between the 1st and 4th centuries by Indian mathematicians.
- By the 9th century, the system was adopted by Arabic mathematicians who extended it to include fractions.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hindu–Arabic numeral system article was read about 150,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 70 and blocks with 65: each hit it takes is cut by 26 %.
How to get Hindu–Arabic numeral system
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 Hindu–Arabic numeral system in the power ranking, all domains together.
- Decimal separatorUncommon · Society · ATK 78 DEF 57
- Driving under the influenceUncommon · Society · ATK 72 DEF 63
- Gustavo CeratiUncommon · Arts · ATK 74 DEF 61
- DaikonUncommon · Nature · ATK 68 DEF 67
- EncryptionUncommon · Science · ATK 73 DEF 62
- EssayUncommon · Society · ATK 74 DEF 61
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Hindu–Arabic numeral system (revision), CC BY-SA 4.0. Photo : Cmglee, CC BY-SA 4.0, Wikimedia Commons.
