2. Then click the "Formula" button in the title bar and select the "Mathematics and Trigonometric Function" option, as shown in the following figure.
3. Then, select the "int" function in the drop-down menu that appears, as shown in the following figure.
4. At this time, the function table will pop up, and you need to enter a formula for rounding, as shown in the figure below.
5. Then click the cell to be rounded, enter the formula, and click OK, as shown in the figure below.
6. Finally, you can see that the digits after the decimal point are directly discarded and will not be rounded, as shown in the following figure, which needs to be completed.