With the help of Goal Seek you can calculate a value that, as part of a formula, leads to the result you specify for the formula. You thus define the formula with several fixed values and one variable value and the result of the formula.
利用单变量求解可以根据一个公式的设置结果计算公式中某一项的值。您可以用多个固定值和一个变量值以及它的结果来定义该公式。