FICO Blaze Advisor 7.5 introduced the ability to create a double-axis decision table. Here is an example:
This decision table has two conditions: Credit History and Total Income. The possible decisions are in the matrix cells under Card Type. The logic reads something like this: If the applicant’s credit history is “Fair” and their income is between $40,000 and $60,000, then the applicant should be offered a “Standard” card.
One of the advantages of a double-axis decision table is that the logic is compact. This is an example of a single-axis decision table with the same decision logic: