50. The computer-readable medium of claim 49 , further comprising: (C) receiving a type identifier, wherein the type identifier identifies a particular logical type; and (D) identifying a collection of general formulas that calculate values having the particular logical type.
49. The computer-readable medium of claim 27 , wherein a second subset of the plurality of cells represent a plurality of values associated with a content name, and wherein the method further comprises: (B) identifying, based on contents of the plurality of cells in the second subset and the content name, a formula having terms including at least two of the plurality of content names.