If your customer/vendor operates from multiple business locations, and you transact with that customer/vendor in different currencies, you can configure multiple currencies for the customer using the Multi-currency Transactions for Each Contact feature.
Note: This feature is available only for certain plans of Zoho Books. Visit the pricing page to check if it’s available in your current plan.
To enable the Multi-currency Transactions for Each Contact feature:
After enabling the feature, you can create sales and purchase transactions in multiple currencies. For instance, you can change the currency of an invoice, bill, expense etc.
Books
Online accounting software
for small businesses.