save
control+s
select all
control+a
go to last cell in rows
control + arrow
select cells one by one
shift + arrows
find blanks
f4
find and replace
f5
excel formulas must begin with
=
add cells
=SUM
cells in the range E4 TO E11
E4:E11
multiply
*
divide
/
power
to make an absolute reference
$
minimum function
MIN
maximum function
MAX
average function
AVERAGE
count function
COUNT
count non blank cells function
COUNTA
count blank cells function
COUNTBLANK
count cells with criteria
COUNTIF(s)
Examples of logical functions
IF, AND, OR
Vertical look up function
VLOOKUP
Horizontal look up function
HLOOKUP
Why would you include true/false in a look up function
false gives you exact, true is approx