Zoho Creator Functions to Convert Indian Rupees (with paise) Amount to Words

Amount2Words.js

string String.Amount2Words(float amount)
{
	//amount.frac() not working for long numbers
	paise_str = amount.toString().getSuffix(".");
	if(paise_str != "")
	{
		paise_amount = paise_str.toLong();
		paise_str = " and "+  thisapp.String.TwoDigitWords(paise_amount) + " paise";
	}
	rupee_str = String.RupeeInWords(amount.toLong());
	return rupee_str + " rupees" + paise_str + " only";
}

RupeeInWords.js

string String.RupeeInWords(int amount)
{
	amount_in_words = "";
	//Crores -> 9 or more Digits
	if((amount / 10000000).toLong() > 0)
	{
		crore_num = (amount / 10000000).toLong();
		crore_str = thisapp.String.Amount2Words(crore_num);
		crore_num_len = crore_num.toString().length();
		rest_amount = amount.toString().substring(crore_num_len).toLong();
		rest_str = thisapp.String.Amount2Words(rest_amount);
		amount_in_words = crore_str + " Crores " + rest_str;
	}
	//Lakhs -> 7 Digits
	else if((amount / 100000).toLong() > 0)
	{
		lakh_word = thisapp.String.TwoDigitWords((amount / 100000).toLong()) + " lakhs";
		rest_str = amount.toString().substring(2);
		amount_in_words = lakh_word + " " + thisapp.String.Amount2Words(rest_str.toLong());
	}
	//Thousands -> 5 Digits
	else if((amount / 1000).toLong() > 0)
	{
		thou_word = thisapp.String.TwoDigitWords((amount / 1000).toLong()) + " thousand";
		rest_of_word = thisapp.String.ThreeDigitWords((amount % 1000).toLong());
		amount_in_words = thou_word + " " + rest_of_word;
	}
	else if(amount.toLong() > 99)
	{
		amount_in_words = thisapp.String.ThreeDigitWords(amount.toLong());
	}
	else if(amount.toLong() > 0)
	{
		amount_in_words = thisapp.String.TwoDigitWords(amount.toLong());
	}
	return amount_in_words;
}

Testing.js

Amount = 12341234567.89;

rupee_text = thisapp.String.Amount2Words(Amount);

//Output
//One thousand Two hundred and Thirty Four Crores Twelve lakhs Thirty Four thousand Five hundred and Sixty Seven rupees and Eighty Nine paise only

ThreeDigitWords.js

string String.ThreeDigitWords(int num)
{
	amount_in_words = "";
	if(num > 99)
	{
		single_words = {"One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};
		first_digit_str = num.toString().substring(0,1);
		first_digit = first_digit_str.toLong();
		amount_in_words = amount_in_words + single_words.get(first_digit - 1) + " hundred";
		second_digit_str = num.toString().substring(1);
		second_digit = second_digit_str.toLong();
		if(second_digit > 0)
		{
			amount_in_words = amount_in_words + " and " + thisapp.String.TwoDigitWords(second_digit);
		}
	}
	return amount_in_words;
}

TwoDigitWords.js

string String.TwoDigitWords(int num)
{
	double_words = {"Twenty","Thirty","Forty","Fifty","Sixty","Seventy","Eighty","Ninety"};
	teen_words = {"Ten","Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"};
	single_words = {"One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};
	//num = 99;
	amount_in_words = "";
	if(num > 0)
	{
		if(num < 10)
		{
			amount_in_words = single_words.get(num - 1);
		}
		else if(num < 20)
		{
			amount_in_words = teen_words.get(num - 10);
		}
		else if(num < 100)
		{
			first_digit_str = num.toString().substring(0,1);
			first_digit = first_digit_str.toLong();
			if(num % 10 == 0)
			{
				amount_in_words = double_words.get(first_digit - 2);
			}
			else
			{
				second_digit_str = num.toString().substring(1);
				second_digit = second_digit_str.toLong();
				amount_in_words = double_words.get(first_digit - 2) + " " + single_words.get(second_digit - 1);
			}
		}
	}
	return amount_in_words;
}