Systems and methods for creating, inserting, and managing a field. The field comprising a key and a corresponding formula. The key and the formula of the field stored in a database of a field management system. The method for inserting the field including receiving a field insertion request; identifying and forwarding, by the field management system, one or more keys and formulas corresponding to one or more suggested fields for rendering on a user interface of a client device; receiving, at the field management system, indication of selection of a key from the one or more keys; computing, by the field management system, a result for the formula of the field associated with the selected key; and communicating the result from the field management system to the first client application for rendering in line with the electronic content.