Hemophilia B is a hereditary blood coagulation disorder. It is caused by a deficiency of a blood plasma protein called factor IX that affects the clotting property of blood. Hemophilia is a hereditary bleeding disorder of specific blood clotting factors.emophilia B is a hereditary blood coagulation disorder. It is caused by a deficiency of a blood plasma protein called factor IX that affects the clotting property of blood. Hemophilia is a hereditary bleeding disorder of specific blood clotting factors.
Open an Excel workbook where you want to insert the date. Click the cell where you want the date to go. Hold down Ctrl and press the ; key. This will insert the current date.
In your Excel worksheet, the formulas may look as follows: 1  To add years to a date in Excel: =DATE(YEAR(A2) + 5, MONTH(A2), DAY(A2)) The formula adds 5 years to the date in cell A2. 2  To subtract years from a date in Excel: =DATE(YEAR(A2) - 5, MONTH(A2), DAY(A2)) The formula subtracts 5 years from the date in cell A2.