To book an appointment, please click the button bellow! At appointment booking session, please write your country code with + sign before your mobile number, otherwise the booking won't be successful!
(E.g if you are from Bangladesh, your mobile phone number should be written as +8801713114660)
Mahiuddin Ahmed Biniamin
Chairman, The Calculus Group of Commerce & Industries
78/A, Purana Paltan Lane, Dhaka-1000
Bangladesh
Hotline: +88-(0)-1713-114660
Email: calculusgroup@yahoo.com, calculusgroup@webinfostreet.com
