Q:

Swift program to find the square root of a number using the pow() function

belongs to collection: Swift Mathematical Functions Programs

YasminRadwan26
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2022-07-12
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Here, we will find the square root of a number by using "0.5" power into pow() function and print the result on the console screen.

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YasminRadwan26
2022-07-12
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Program/Source Code:

The source code to find the square root of a number using the pow() function is given below. The given program is compiled and executed successfully.

// Swift program to find the square root of a number 
// using the pow() function

import Swift
import Foundation

var n:Double    =   16.0
var p:Double    =   0.5
var res:Double  =   0.0

res = pow(n,p)

print("Result: ",res)

Output:

Result:  4.0

...Program finished with exit code 0
Press ENTER to exit console.

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

To use mathematics and some standard functions, we need to import the foundation package using the below statement,

import Foundation;

Here, we created three double type variables n, p, res that are initialized with 16.0, 0.5, 0.0 respectively. Then we calculated the square root of the number using the pow() function and printed the result on the console screen.

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