WikiCards · Card list · Science cards · Exponential function
Rare card · Science
Exponential function, a Rare card
In mathematics, the exponential function is the unique real function which maps zero to one and has a derivative everywhere equal to its value.
- Rarity
- Rare
- Domain
- Science
- ATK
- 73
- DEF
- 64
- Power
- 137
- Wikipedia reads a year
- 260,000
Power 137 (ATK + DEF): stronger than 75 % of WikiCards cards.
Exponential function quiz: 3 questions
Three questions on the Exponential function card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is denoted e x or exp x , the latter is preferred when the argument x is a ______ expression.
Answer
complicated. It is denoted e x or exp x , the latter is preferred when the argument x is a complicated expression. From the Exponential function article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Exponential function. Exponential function 260,000 · National flag 200,000 · Atmospheric chemistry 15,000 · Terminal deoxynucleotidyl transferase 9,700 Wikipedia reads over a year.
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 denoted e x or exp x , the latter is preferred when the argument x is a complicated expression.
- It is called exponential because its argument can be seen as an exponent to which a constant number e ≈ 2.718, the base, is raised.
- There are several other definitions of the exponential function, which are all equivalent although being of very different nature.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Exponential function article was read about 260,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 73 and blocks with 64: each hit it takes is cut by 26 %.
How to get Exponential function
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.
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The cards just above and just below Exponential function in the power ranking, all domains together.
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- GrouperRare · Nature · ATK 65 DEF 72
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Credits
Text : Wikipedia, Exponential function (revision), CC BY-SA 4.0. Photo : Peter John Acklam, CC BY-SA 3.0, Wikimedia Commons.


