1. A method for inserting delimiters into a formula, comprising: successively receiving a plurality of selections of cells while in a formula editing mode in a host cell into which a formula is being entered; automatically determining a current context of the formula with respect to which the selections are received; and automatically inserting a first delimiter type between references inserted into the formula in response to receiving the plurality of selections when the current context comprises a first context and automatically inserting a second delimiter type between references inserted into the formula in response to receiving the plurality of selections when the current context comprises a second context.