EXCEL FUNCTIONS_Basic
AND
Returns “TRUE” or “FALSE” based on two or more conditions.
=AND(B2=”Fire”;C2>70)
=IF(AND(B10=”Fire”;C10>70);”Yes”;”No”)
AVERAGE
Calculates the average
=AVERAGE(B2:E2)
AVERAGEIF
Calculates the average of a range based on a true or false condition.
=AVERAGEIF(range, criteria, [average_range])
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_averageif3.png?resize=558%2C197&ssl=1)
AVERAGEIFS
The average of a range based on one or more true or false condition.
=AVERAGEIFS(average_range, criteria_range1, criteria1, …)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_averageifs4.png?resize=762%2C233&ssl=1)
CONCAT
To link something together.
=CONCAT(A2,” “,A3)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_concat3.png?resize=460%2C355&ssl=1)
=CONCAT(A2,”and”,A3)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_concat5.png?resize=465%2C361&ssl=1)
COUNT
Only counts cells with numbers, not cells with letters.
=COUNT(D2:D21)
![](https://i0.wp.com/www.w3schools.com/excel/count4.png?resize=450%2C512&ssl=1)
COUNTA
Counts all cells in a range that has values, both numbers and letters.
=COUNTA(A2:A21)
![](https://i0.wp.com/www.w3schools.com/excel/counta5.png?resize=450%2C512&ssl=1)
COUNTBLANK
Counts blank cells in a range.
![](https://i0.wp.com/www.w3schools.com/excel/countblank3.png?resize=447%2C527&ssl=1)
COUNTIF
Counts cells as specified.
COUNTIFS
Counts cells in a range based on one or more true or false condition.
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_countifs3.png?resize=1040%2C384&ssl=1)
IF
Returns values based on a true or false condition
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_if_grass4.png?resize=506%2C246&ssl=1)
IFS
Returns values based on one or more true or false conditions.
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_ifs4.png?resize=596%2C223&ssl=1)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_ifs5.png?resize=428%2C253&ssl=1)
XOR
Returns TRUE or FALSE based on two or more conditions.
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_if_xor4.png?resize=573%2C276&ssl=1)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_if_xor5.png?resize=570%2C269&ssl=1)
RIGHT
Use the RIGHT function with a defined length of characters
=RIGHT(A2,3)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_right5.png?resize=532%2C411&ssl=1)
STDEV.P 표준편차
Calculates the Standard Deviation (Std) for the entire population.
=STDEV.P(E2:E755)
![](https://i0.wp.com/www.w3schools.com/excel/stdevp4.png?resize=582%2C376&ssl=1)
STDEV.S
Calculates the Standard Deviation (Std) for a sample.
=STDEV.P(E2:E21) range of the sample
![](https://i0.wp.com/www.w3schools.com/excel/stddevs4.png?resize=477%2C406&ssl=1)
SUMIF
The sum of values in a range based on a true or false condition.
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_sumif4.png?resize=563%2C226&ssl=1)
SUMIFS
Calculates the sum of a range based on one or more true or false condition.
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_sumifs4.png?resize=1173%2C385&ssl=1)
TRIM
Remove irregular text spacing and keep single spaces between words.
=TRIM(A2:C21)
![](https://i0.wp.com/www.w3schools.com/excel/img_excel_trim3.png?resize=592%2C426&ssl=1)
VLOOKUP
Allows searches across columns.
=VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
=VLOOKUP(H3;A2:E21;2;1)
for selecting col_index_number 2
.
next – 1
(True) is entered as range_lookup.
This is because the most left column has numbers only.
If it was text, 0
(False) would have been used.
![](https://i0.wp.com/www.w3schools.com/excel/vlookup9.png?resize=576%2C396&ssl=1)
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