Return the largest value in a range of values

MAX(number1, [number2], ...)

Convert text into lowercase, uppercase or capitalize the first letter in a string.

LOWER(text), UPPER(text), PROPER(text)

Return the absolute value of a number

=ABS(number)

Lookup values in vertical or horizontal ranges

=XLOOKUP(lookup_value, lookup_array, return_array, [if_not_found], [match_mode], [search_mode])

Return the logical value TRUE if the cell contains any text.

=ISTEXT(value)

Return the rank of a number in a data set

=RANK.AVG(number,ref,[order])

Return a custom result when a formula generates a #N/A error

=IFNA(value, value_if_na)

Count values in a range that meet a single criteria.

COUNTIF(range,criteria)

Replace one or many instances of specific text based on its content (not on its position).

SUBSTITUTE(text, old_text, new_text, [instance_num])

Return a filtered range of data based on defined criteria

=FILTER (array, include, [if_empty])

Sum (add) values in a range that meet multiple specific criteria.

SUMIFS(sum_range, criteria_range1, criteria1, [criteria_range2, criteria2], ...)

Find specific text and its related starting position within a text string.

FIND(find_text, within_text, [start_num])

FINDB(find_text, within_text, [start_num])

Return the k-th smallest value in a range

SMALL(array, k)

Return the most common value in a data set

=MODE.SNGL(number1, [number2], ...)