Hi Team, I want to use R's Bessel dll file in VBA. Can anyone help with the commands? Have you used it? Regards, Gaurang Mehta This email is intended for the person or company named and access by anyone else is unauthorised. If you are not the person or company named, please delete this email and notify the sender. The information in this email, including any attachments, may be confidential or legally privileged (meaning that its disclosure is protected in law). Its unauthorised disclosure, copying, distribution or use is prohibited and may be unlawful. Email communications sent over the internet are not guaranteed to be secure or virus-free and such messages are potentially at risk. The Royal London Group accepts no liability for any claims arising from use of the internet to transmit messages by or to any company within the Royal London Group. The Royal London Group consists of The Royal London Mutual Insurance Society Limited and its subsidiaries. The Royal London Mutual Insurance Society Limited is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority and provides life assurance and pensions. Registered in England and Wales number 99064. Registered office: 55 Gracechurch Street, London, EC3V 0RL. In the Republic of Ireland: The Royal London Mutual Insurance Society Limited is authorised by the Prudential Regulation Authority in the UK and is regulated by the Central Bank of Ireland for conduct of business rules. [[alternative HTML version deleted]]