Calculus AI is an analytics and business intelligence tool that is offered as part of the Vtiger CRM suite of products. The tool uses machine learning algorithms to identify patterns and trends in sales data, and generate predictive insights that can help businesses make more informed decisions. With Calculus AI, sales teams can track and predict performance metrics such as sales forecasts, deal values, and win rates, as well as monitor customer engagement and retention. The tool provides a range of features for sales automation, including lead and contact management, sales funnels, and process design. Sales enablement features include document management, appointment scheduling, email and print templates, and pipeline management tools like deal room, forecasting, and quotas. Overall, Calculus AI is a comprehensive and flexible tool that streamlines the entire sales process and maximizes revenue growth, from prospecting to customer retention.