how to multiply by pi

Add by Zhj: There is no scientific basis for pi, and this is also mentioned by the author at the end of the article. However, the coefficient must be greater than 1, I generally use 2please use π multiplied by your estimated timeProject estimation

Article title: Algorithm analysis-a program used by aliens to calculate PI. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

When I went to college, I circulated such a super-good C program. I could use only three lines of code to calculate the number of π to 800 digits after the decimal point. I joked that it was written by aliens, it's really amazing. At that time,

Speaking of Pi-based software development, there are two main aspects, 1: Using piapi to directly operate pi. The advantage of this method is high efficiency and easy control of any operation. The disadvantage is that you need to purchase piapi.

Banana Pi (BPI) is more powerful than Raspberry Pi, features more, can run Linux and AndroidSystem, and cheaper single-board micro-computer, see: www.bananapi.comThere are several common system IMG available on the BPI official websiteFor download

# Include Long A = 10000, B, c = 2800, d, e, f [2801], G; Main (){For (; B-c;) f [B ++] = A/5;For (; D = 0, G = C * 2; C-= 14, printf ("%. 4D", e + D/A), E = D %)For (B = C; D + = f [B] * A, F [B] = D % -- g, D/= g --, -- B; D * = B );System ("pause

For the first time, I said a little bit. The basic content of vector knowledge and a bit of usage skills, the simple display of its role in game programming. This time, take full advantage of the nature of the vector to imitate a physical phenomenon.

 AbsABS (number): Returns the absolute value of the specified digit. An absolute value is a numeric value that has no sign.Number: Any real number that requires an absolute value.Example:ABS (-1.5) equals 1.5.ABS (0) equals 0.ABS (2.5) equals

Java report tool FineReport common functions usage Summary (mathematical and trigonometric functions), javafinereport  ABS ABS (number): returns the absolute value of a specified number. Absolute Value refers to a value without positive or negative

Codeforces Round # Pi (Div. 2) (STL Session ), Codeforces Round # Pi (Div. 2) A-Lineland Mail Questions, fight for speed. /** @ Author Novicer * language: C ++/C */# include # include # include # include # include # include # include #