To perform controlled execution of a formula until you reach a breakpoint using the debugger:
1.Open the formula which you want to execute under control of the debugger.
2.Click Design[Debug] > Debug/Continue.
Note: The formula is executed immediately and ends when the end of the formula or a breakpoint is reached. You can cancel its execution at any time by selecting Design[Debug] > Break.
To step into a formula using the debugger:
1.Open the formula which you want to execute under control of the debugger.
2.Click Design[Debug] > Step Into.
The debugger marks the first statement in the formula, but will not start executing it. Next:Stepping into Statements.