fixed some spellings

Maths/BinaryExponentiationRecursive.js

@@ -2,7 +2,7 @@
   Modified from:
     https://github.com/TheAlgorithms/Python/blob/master/maths/binary_exponentiation.py
 
-  Explaination:
+  Explanation:
     https://en.wikipedia.org/wiki/Exponentiation_by_squaring
 */
 

Maths/CheckKishnamurthyNumber.js

@@ -1,11 +1,11 @@
 /*
     Problem statement and Explanation : https://www.geeksforgeeks.org/check-if-a-number-is-a-krishnamurthy-number-or-not-2/
 
-    krishnamurthy number is a number the sum of the all fectorial of the all dights is equal to the number itself.
+    krishnamurthy number is a number the sum of the all factorial of the all dights is equal to the number itself.
     145 => 1! + 4! + 5! = 1  + 24 + 120 = 145
 */
 
-// factorail utility method.
+// factorial utility method.
 const factorial = (n) => {
   let fact = 1
   while (n !== 0) {
@@ -18,7 +18,7 @@ const factorial = (n) => {
 /**
  * krishnamurthy number is a number the sum of the factorial of the all dights is equal to the number itself.
  * @param {Number} number a number for checking is krishnamurthy number or not.
- * @returns return correspond boolean vlaue, if the number is krishnamurthy number return `true` else return `false`.
+ * @returns return correspond boolean value, if the number is krishnamurthy number return `true` else return `false`.
  * @example 145 => 1! + 4! + 5! = 1  + 24 + 120 = 145
  */
 const CheckKishnamurthyNumber = (number) => {

Maths/DigitSum.js

@@ -4,7 +4,7 @@
 const digitSum = (num) => {
   // sum will store sum of digits of a number
   let sum = 0
-  // while will run untill num become 0
+  // while will run until num become 0
   while (num) {
     sum += num % 10
     num = parseInt(num / 10)

Maths/ModularBinaryExponentiationRecursive.js

@@ -2,7 +2,7 @@
   Modified from:
     https://github.com/TheAlgorithms/Python/blob/master/maths/binary_exp_mod.py
 
-  Explaination:
+  Explanation:
     https://en.wikipedia.org/wiki/Exponentiation_by_squaring
 */
 

Maths/PiApproximationMonteCarlo.js

@@ -1,5 +1,5 @@
 // Wikipedia: https://en.wikipedia.org/wiki/Monte_Carlo_method
-// Video Explaination: https://www.youtube.com/watch?v=ELetCV_wX_c
+// Video Explanation: https://www.youtube.com/watch?v=ELetCV_wX_c
 
 const piEstimation = (iterations = 100000) => {
   let circleCounter = 0

Maths/SieveOfEratosthenes.js

@@ -2,7 +2,7 @@ const sieveOfEratosthenes = (n) => {
   /*
    * Calculates prime numbers till a number n
    * :param n: Number upto which to calculate primes
-   * :return: A boolean list contaning only primes
+   * :return: A boolean list containing only primes
    */
   const primes = new Array(n + 1)
   primes.fill(true) // set all as true initially

Maths/SumOfDigits.js

@@ -17,7 +17,7 @@ function sumOfDigitsUsingString (number) {
 }
 
 /*
-  The input is divided by 10 in each iteraction, till the input is equal to 0
+  The input is divided by 10 in each iteration, till the input is equal to 0
   The sum of all the digits is returned (The res variable acts as a collector, taking the remainders on each iteration)
 */
 function sumOfDigitsUsingLoop (number) {

Maths/test/Fibonacci.test.js

@@ -6,20 +6,20 @@ import {
   FibonacciMatrixExpo
 } from '../Fibonacci'
 
-describe('Fibonanci', () => {
-  it('should return an array of numbers for FibonnaciIterative', () => {
+describe('Fibonacci', () => {
+  it('should return an array of numbers for FibonacciIterative', () => {
     expect(FibonacciIterative(5)).toEqual(
       expect.arrayContaining([1, 1, 2, 3, 5])
     )
   })
 
-  it('should return an array of numbers for FibonnaciRecursive', () => {
+  it('should return an array of numbers for FibonacciRecursive', () => {
     expect(FibonacciRecursive(5)).toEqual(
       expect.arrayContaining([1, 1, 2, 3, 5])
     )
   })
 
-  it('should return number for FibonnaciRecursiveDP', () => {
+  it('should return number for FibonacciRecursiveDP', () => {
     expect(FibonacciRecursiveDP(5)).toBe(5)
   })
 
@@ -29,7 +29,7 @@ describe('Fibonanci', () => {
     )
   })
 
-  it('should return number for FibonnaciMatrixExpo', () => {
+  it('should return number for FibonacciMatrixExpo', () => {
     expect(FibonacciMatrixExpo(0)).toBe(0)
     expect(FibonacciMatrixExpo(1)).toBe(1)
     expect(FibonacciMatrixExpo(2)).toBe(1)