math lingo

In the process of programming, we often perform mathematical operations on some numbers, such as what we want to ask for absolute or cosine. Do these methods need to be implemented by ourselves? In fact, the math class math class in Java.lang contains methods for performing basic mathematical operations, such as elementary exponents, logarithms, square roots, and trigonometric functions. Let's learn it!Let'

Math Object method Method Description ABS (x) The absolute value of the return number. ACOs (x) The inverse cosine value of the returned number. ASIN (x) Returns the inverse chord value of the number. Atan (x) Returns the inverse tangent of x with a value between-PI/2 and PI/2 radians. ATAN2 (y,x) Returns the angle from the x-axis to the p

BC Math function Table of Contents Bcadd -Addition calculation of 2 arbitrary precision numbers Bccomp -Compare two arbitrary-precision numbers Bcdiv -2 digit division calculation with arbitrary Precision Bcmod -modulo an arbitrary precision number Bcmul -2 arbitrary precision numerical multiplication calculation Bcpow -The exponentiation of arbitrary precision numbers Bcpowmod -raise An arbitrary precision number to a

Properties of the Math object: Call method: Math. Method Name (); MATH.E: Returns the value of Euler constant E. MATH.LN2: Returns the logarithm of the natural number 2. MATH.LN10: Returns the logarithm of the natural number 10. Common methods: Math.log (N): Returns the logarithm of the natural number of N. MATH.LOG2E: Returns the logarithm of 2, E, where 2 is mutable and any n. Math.PI: Returns the value o

JS has a built-in object--math object, in some cases very useful, let us analyze: Math Common Properties (note to capitalize): e returns the arithmetic constant E, that is, the base of the natural logarithm (approximately equal to 2.718)LN2 returns 2 of the natural logarithm (about 0.693)LN10 returns 10 of the natural logarithm (about 2.302)LOG2E returns the logarithm of the 2-based E (about 1.414)LOG10E

Welcome to my blog! Math Companion for primary school Software size: 32027 KB Software language: Chinese Simplified Software Category: Domestic software/shared edition/Science tools Application Platform: win9x/nt/2000/xp/2003 Interface preview: No Plugin situation: Complaints Update Time: 2007-07-09 14:53:53 Number of downloads: 21023 Recommended level:

Recently the project is very busy, the function that gives me is more complex, fortunately can cope with down. In the process of working, I found that the use of MySQL's own function can greatly reduce the complexity of the program. This is inevitable, using the MySQL function, can save a lot of loop traversal in the program. But some experts on the internet say that using math and string functions in MySQL will slow down MySQL's efficiency, which I t

the current number of seconds (0-59) mydate.getmilliseconds (); Gets the current number of milliseconds (0-999) mydate.tolocaledatestring (); Gets the current date var mytime=mydate.tolocaletimestring (); Gets the current time mydate.tolocalestring (); Get Date and time2.Math objectsThe Math object is used to handle complex mathematical operations the

Three. js source code annotation (19th) Math/Spline. js Wuji (http://blog.csdn.net/omni360) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS. Otherwise, the post from this blog will not be reprinted or reprinted. Thank you for your cooperati

1. Discard the fractional part and retain the integer part.ParseInt (5/2) 2. rounded up. If there is a decimal number, add 1 to the integer part. Math. ceil (5/2) 3. rounding. Math. round (5/2) 4. Round down Math. floor (5/2) Math object MethodFF: Firefox, N: Netscape, IE: Internet Explorer Method description F

This article mainly introduces the built-in Math function efficiency test in PHP, tests the execution time of related PHP built-in mathematical functions in the form of examples, and analyzes the running efficiency, if you need it, you can refer to the example in this article to analyze the efficiency of the built-in Math function in PHP. Share it with you for your reference. The specific analysis is as fol

This article mainly introduces pythonr's knowledge about the digital processing module (math). For more information, see section 1. math. The Code is as follows: >>> Import math>>> Dir (math) # You can view the list of all function names.>>> Help (math) # view the definitio

The Math object, which provides a mathematical calculation of the data.Using the properties and methods of Math, the code is as follows:Run Results :3.14159265358979315Note: The Math object is an intrinsic object that you can call all of its properties and methods without creating it and directly using Math as an objec

The math function can handle values in the range of integers and float. This article mainly introduces PHP built-in math function efficiency test, as an example to test the relevant PHP built-in math function execution time, analysis of its operational efficiency, the need for friends can refer to the next The code is as follows: $start = Microtime (TRUE);