In the first
lesson, I was taught that a formula always start with an = sign. Cells are all
the blank rectangles that we see in the Excel worksheet. We can also reference and
add specific cells by typing =(B2+B3) for example. In addition, by double
clicking a specific cell, we can see the contents of the cell. Moreover, we can
also use the Autosum function to do a quick sum of the various contents in the
cell. Typing Alt and = will give a fast sum of the column or row. After that, we
can click the Autosum fuction at the home screen of the Excel file to average,
count, maximum and minimum.
The =SUM
function is for adding numbers in the various cells. We can do that by dragging
the various cells with the CTRL key. One of the most important function I have
personally learnt is the =SUMIF function. The =SUMIF function starts like this:
SUMIF(range, criteria, sum_range). For the range, it would be the cells that
you want to evaluate. For the criteria, it has to be put in quotation marks
like “>100” for example. The sum_range will be the actual cells to add if
the range in the =SUMIF function successfully meets the criteria. The =SUMIF
function can also be used with text. By using the * for the criteria, and
defining specific letters after *, like *s for example, the corresponding cells
in the range which has cells ending in s will be added by the sum_range if the
criteria is met.
With that, I
conclude the first tutorial of my learning journey of Microsoft Excel.
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