diff --git a/Maths/IntToBase.js b/Maths/IntToBase.js
new file mode 100644
index 0000000000..6ec8a0bab0
--- /dev/null
+++ b/Maths/IntToBase.js
@@ -0,0 +1,40 @@
+/**
+ * @function intToBase
+ * @description Convert a number from decimal system to another (till decimal)
+ * @param {Number} number Number to be converted
+ * @param {Number} base Base of new number system
+ * @returns {String} Converted Number
+ * @see [HornerMethod](https://en.wikipedia.org/wiki/Horner%27s_method)
+ * @example
+ * const num1 = 125 // Needs to be converted to the binary number system
+ * gornerScheme(num, 2); // ===> 1111101
+ * @example
+ * const num2 = 125 // Needs to be converted to the octal number system
+ * gornerScheme(num, 8); // ===> 175
+ */
+const intToBase = (number, base) => {
+ if (typeof number !== 'number' || typeof base !== 'number') {
+ throw new Error('Input data must be numbers')
+ }
+ // Zero in any number system is zero
+ if (number === 0) {
+ return '0'
+ }
+ let absoluteValue = Math.abs(number)
+ let convertedNumber = ''
+ while (absoluteValue > 0) {
+ // Every iteration last digit is taken away
+ // and added to the previous one
+ const lastDigit = absoluteValue % base
+ convertedNumber = lastDigit + convertedNumber
+ absoluteValue = Math.trunc(absoluteValue / base)
+ }
+ // Result is whether negative or positive,
+ // depending on the original value
+ if (number < 0) {
+ convertedNumber = '-' + convertedNumber
+ }
+ return convertedNumber
+}
+
+export { intToBase }
diff --git a/Maths/test/IntToBase.test.js b/Maths/test/IntToBase.test.js
new file mode 100644
index 0000000000..002dde6af8
--- /dev/null
+++ b/Maths/test/IntToBase.test.js
@@ -0,0 +1,25 @@
+import { intToBase } from '../intToBase'
+
+describe('Int to Base', () => {
+ test('Conversion to the binary system', () => {
+ expect(intToBase(210, 2)).toEqual('11010010')
+ expect(intToBase(-210, 2)).toEqual('-11010010')
+ })
+ test('Conversion to the system with base 5', () => {
+ expect(intToBase(210, 5)).toEqual('1320')
+ expect(intToBase(-210, 5)).toEqual('-1320')
+ })
+ test('Conversion to the octal system', () => {
+ expect(intToBase(210, 8)).toEqual('322')
+ expect(intToBase(-210, 8)).toEqual('-322')
+ })
+ test('Output is 0', () => {
+ expect(intToBase(0, 8)).toEqual('0')
+ expect(intToBase(0, 8)).toEqual('0')
+ })
+ test('Throwing an exception', () => {
+ expect(() => intToBase('string', 2)).toThrow()
+ expect(() => intToBase(10, 'base')).toThrow()
+ expect(() => intToBase(true, false)).toThrow()
+ })
+})
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