The SUMIF function can be used to change the contents of the total according to conditions, and the SUMIFS function can be used to specify multiple conditions. The reason why and how to use the SUMIF...

As shown in the figure below, if there is extra data after the string and you want to extract only the string to the left of the extra data, you cannot simply use the LEFT function alone because the number of characters is not constant. Function to extract the left side of the "¥" mark in cell "A2" = LEFT(A2,FIND(...))