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Exp (PHP3, PHP4) exp---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; To obtain the natural logarithm of the secondary value syntax: float exp (float arg); Description: Returns the value of the ARG secondary of the natural log e. Reference: POW ()

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Define function note the symbol used by the function is: = Unary function f (x): =expr Example: (%I1) F (x): = 1+x; (%o1) F (x): = 1 + x (%I2) F (2);(%o2) 3 multi-function f (x,y): =expr; Example: (%i3) f (x, Y): =y^2+x^2;&http://www.aliyun.com/zixun/aggregation/37954.ht ...

Pow (PHP3, PHP4) POW---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Returns the value syntax for the secondary item: Float POW (float base, float exp); Description: Returns the value of the base base, exp for the secondary item. Reference: exp ()

Why did the gentle and kind Snow White become the Queen of evil? Why did the cute little Red hat turn into a black little Lori? Why the clinging simple little Mermaid no longer believes in love and to the beloved prince has killed the heart? Do not ask so much why, in fact, today I come to share the Raiders, played the "fairy tale" (fairymysterycity) This game you understand everything! "Fairy tale" is a classic Magic day game (Zhi Long fan city) of domestic iOS new to do, this iOS game combination of RPG, triple elimination, property phase grams, pets ...

The previous article explained the hook program attack and defense combat, and realized a set of frame page monitoring scheme, the protection of all child pages. So far, the depth of our protection has been similar, but the breadth is still deficient. For example, our property hooks only consider setattribute, but ignore similar setattributenode. Although this method has never been used, it does not mean that people cannot use it. For example, creating an element is usually createelement, and in fact Createelementns is also possible. Even ...

Today is the last day of 22 years old. A few months ago, I graduated from the Wharton School, with the diploma "top honors graduation" label to appease the already Mas mother, and then turned to resign after graduating from the first job, with a very respected company, and 1.5 million of the annual salary, returned to Shanghai, joined the "just graduated from unemployment" club, Started a new life of three meals a day. In the middle of many wonderful plot temporarily skipped. I am certainly not the first person to do such a thing, and certainly not the last. So before I tell you some interesting stories, I'd like to borrow from everyone (including 3 ...).

The math functions commonly used in the php tutorial The tanh () function returns the hyperbolic tangent. Syntax tanh (x) Parameter Description x Required. A few. Description Returns the hyperbolic tangent of x, defined as sinh (arg) / cosh (arg). * / echo tanh (-m_pi); / / output -0.996272076221 echo & quo ...

In 2017, the double eleven refreshed the record again. The transaction created a peak of 325,000 pens/second and a peak payment of 256,000 pens/second. Such transactions and payment records will form a real-time order feed data stream, which will be imported into the active service system of the data operation platform.