Note: formula is entered relative to the "active cell" in the selection, cell B4 in this case.
Conditional formatting is evaluated for each cell in the range, relative to the upper left cell in the selection. In this case, the formula uses the MOD function to check the remainder of dividing the value in each cell, with the value in cell E2, which is 9. When the remainder is zero, we know that the value is an even multiple of the number 9, so the formula checks the result of MOD against zero.
When MOD returns zero, the expression returns TRUE and the conditional formatting applies. When MOD returns any other result, the expression returns FALSE conditional formatting is not applied.
Note E2 is input as an absolute address ($E$2) to prevent the reference from changing as the conditional formatting rule is evaluated across the selection B4:G11.
When you use a formula to apply conditional formatting, the formula is evaluated relative to the active cell in the selection at the time the rule is created. So, in this case the formula =B4>100 is evaluated for each of the 40 cells in B4:G11...
When you use a formula to apply conditional formatting, the formula is evaluated for each cell in the range, relative to the active cell in the selection at the time the rule is created. So, in this case, if you apply the rule to B4:G11, with B4 as...
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