public void btnBetaArray_Click(IRibbonControl e)
 {
     this.btnClear_Click(e);
     ObjModel.SetCell(10, "A1");
     ObjModel.SetCell(2, "B1");
     ObjModel.SetCell(3, "C1");
     ObjModel.SetCell(15, "D1");
     ObjModel.SetArrayFormulas("A2:D2", "=Beta2M(A1,B1,C1,D1)");
 }
        public void btnAddFormulas_Click(IRibbonControl e)
        {
            ObjModel.SetFormulas("A1:B2", "=C3");       //relative references
            ObjModel.SetFormulas("A4:B5", "=$C$3");     //absolute references

            ObjModel.SetCell(5, "A6");
            ObjModel.SetFormulas("A7:A10", "=A5+RandBetween(5,100)+Norm.Inv(.3,0,1)"); //add a formula to the sheet
            ObjModel.SetFormulas("E1:H1", "=Column()+2000");
            ObjModel.SetArrayFormulas("E2:H2", "=INFL(2002, 2000,1,1,4)*E1:H1");
        }