e Challenge|免費玩教育App


免費教育App|e Challenge|阿達玩APP

Learn e by entering the digits in 'e Challenge' -

免費教育App|e Challenge|阿達玩APP

Supports the first 10000 digits of e, how many do you know?

免費教育App|e Challenge|阿達玩APP

The mathematical constant e is the unique real number such that the value of the derivative (slope of the tangent line) of the function f(x) = ex at the point x = 0 is equal to 1

e Challenge APP玩不用錢

e Challenge玩免錢App

e Challenge APP LOGO

e Challenge 教育 LOGO-阿達玩APP

e Challenge APP QRCode

e Challenge 教育 QRCode-阿達玩APP
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