The "Value Formulas" screen registers and changes value formulas. A value formula is a formula in the form of an SQL statement. The formula checks the integrity of the data recorded in Invantive Estate. See [[Invantive Estate/Subjects/Advanced/Intended Values|Intended Values]] for a more extensive explanation. The entry fields have the following meaning: - "Code": The code of the formula. - "Description": The description of the formula. - "Formula": The formula in the form of an SQL query. The formula can use variable texts supplied by the Soll value. The variable texts are defined as `:1` to `:10`.