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Convert number to roman numeral

Bewildered Bird answered on November 4, 2021 Popularity 7/10 Helpfulness 1/10

answer Convert number to roman numeral

related roman numeral to numbers

Convert number to roman numeral

Comment

function toRoman(num) {
  // Create an array of Roman numerals and their corresponding decimal values
  const romanNumerals = [    { numeral: "M", value: 1000 },    { numeral: "CM", value: 900 },    { numeral: "D", value: 500 },    { numeral: "CD", value: 400 },    { numeral: "C", value: 100 },    { numeral: "XC", value: 90 },    { numeral: "L", value: 50 },    { numeral: "XL", value: 40 },    { numeral: "X", value: 10 },    { numeral: "IX", value: 9 },    { numeral: "V", value: 5 },    { numeral: "IV", value: 4 },    { numeral: "I", value: 1 }  ];
  
  let result = "";
  
  // Loop through the array of Roman numerals
  for (const romanNumeral of romanNumerals) {
    // While the input number is greater than or equal to the value of the current Roman numeral
    while (num >= romanNumeral.value) {
      // Add the corresponding Roman numeral to the result string
      result += romanNumeral.numeral;
      // Subtract the value of the current Roman numeral from the input number
      num -= romanNumeral.value;
    }
  }
  
  return result;
}

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: chat.openai.com

Tags: whatever

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Contributed on Jan 06 2023

Bewildered Bird

0 Answers Avg Quality 2/10

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roman numeral to numbers

Comment

/*
	// This application helps you convert roman numerals to numbers or vice-versa
*/

// First install the package @ "npm install cr-numeral"
// Then import or require the package in your application
const {
  convertNumberToRoman: cnr,
  convertRomanToNumber: crn,
} = require("cr-numeral");
// OR
const cnr = require("cr-numeral").convertNumberToRoman;
const crn = require("cr-numeral").convertRomanToNumber;

// Define your variables
const number = 2021;
const numeral = "MMMXXV"; // Case-insensitive

// Use your package/module
const toRoman = cnr(number);
const toNumber = crn(numeral);

// Log or use your result
console.log(toRoman, toNumber);

			// Converting a number to Roman Numeral
const { convertNumberToRoman } = require('cr-numeral');
// OR
const convertNumberToRoman = require('cr-numeral').convertNumberToRoman;

convertNumberToRoman(2021));
"MMXXI"

convertNumberToRoman(-2021)); // Can not convert a negative number or zero
"Can not convert Zero or negative numbers!!!"

convertNumberToRoman("na256m"));
"You must provide only valid numbers!!!"

convertNumberToRoman(false));
"Cannot use Boolean values!!!"

convertNumberToRoman(true));
"Cannot use Boolean values!!!"

			// Converting Roman Numeral to Number
const { convertRomanToNumber } = require('cr-numeral');
// OR
const convertRomanToNumber = require('cr-numeral').convertRomanToNumber;

convertRomanToNumber("MMXXI"));
"2021"

convertRomanToNumber("na256m"));
"Provide a valid roman character!!!"
"Cause these are invalid roman numerals : [ N,A,2,5,6 ]"

convertRomanToNumber(6355));
"You must provide only valid strings!!!"

convertRomanToNumber(false));
"Cannot use Boolean values!!!"

convertRomanToNumber(true));
"Cannot use Boolean values!!!"

// With love @kouqhar

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: www.npmjs.com

Tags: javascript j

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Contributed on Nov 04 2021

kouqhar

0 Answers Avg Quality 2/10

Convert number to roman numeral

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