Warfarin is a very effective anti-clotting medicine (anticoagulant) used to lower the risk of harmful blood clots that can cause a stroke, or a blockage in a vein or the lungs.Why have I been prescribed warfarin?arfarin is a very effective anti-clotting medicine (anticoagulant) used to lower the risk of harmful blood clots that can cause a stroke, or a blockage in a vein or the lungs.
Excel MIN Without Zeros. See Also AVERAGE Excluding Zeros. Excel has a built in formula/function that makes finding the minimum value in a range of cells easy. If we assume your numbers are in A1:A100 you would simply use the MIN formula like shown below; =MIN(A1:A100) There is however, one draw-back with this.
Excel Array Formulas Overview. In Excel, an array formula carries out calculations on one or more elements in an array. Array formulas are surrounded by curly braces  { } . These are added to a formula by pressing the CTRL, SHIFT, and ENTER keys after typing the formula into a cell or cells.