ios internet account - iOS

請問iphone 的ios 有 internet account的功能嗎
我用ＭＡＣ的時候
在設定有這個功能
但是iphone卻沒有
https://support.apple.com/en-nz/HT201320
我想要加入facebook
同步日曆

我iphone ios 10.2.1

thanks!!

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When we toss a coin , we obtain either head or tail. Now we toss a coin 5
times. There are 2^5 possible outcomes. How many of them contain no two
consecutive heads?

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