In case you base your condition on the current date, you can use the TODAY() function in the logical_test argument of your IF formula. For example: Naturally, the Excel IF function can understand more complex logical tests, as demonstrated in the next example.
A sink mark is a local surface depression or void that typically occurs in moldings with thicker sections. They are also common in locations above ribs, bosses, or internal fillets. As the plastic cools at different rates in the mold, the surface hardens but leaves the thicker areas in the center still molten.
High water mark sign in Bisset Park, Virginia. A high water mark is a point that represents the maximum rise of a body of water over land. Such a mark is often the result of a flood, but high water marks may reflect an all-time high, an annual high (highest level to which water rose that year) or the high point for some other division of time.