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function
noun
the
job
or
purpose
that
something
has
or
is
made
to
do
•
The
main
function
of
a
refrigerator
is
to
keep
food
cold
.
The
main
function
of
a
refrigerator
is
to
keep
food
cold
.
•
A
smartphone
has
many
functions
,
including
taking
photos
and
browsing
the
web
.
A
smartphone
has
many
functions
,
including
taking
photos
and
browsing
the
web
.
From
Latin
“
functio
”
meaning
“
performance
,
execution
,”
derived
from
“
fungi
”
–
to
perform
.
noun
a
large
formal
social
event
such
as
a
party
,
ceremony
,
or
official
gathering
•
They
booked
a
hotel
ballroom
for
the
wedding
function
.
They
booked
a
hotel
ballroom
for
the
wedding
function
.
•
He
wore
a
tuxedo
to
the
charity
function
last
night
.
He
wore
a
tuxedo
to
the
charity
function
last
night
.
Sense
of
“
social
event
”
arose
in
the
mid-19th
century
from
the
idea
of
people
meeting
to
perform
an
official
purpose
.
verb
-
function
,
functioning
,
functions
,
functioned
to
work
or
operate
in
the
correct
or
intended
way
•
After
the
repair
,
the
old
radio
finally
functioned
again
.
After
the
repair
,
the
old
radio
finally
functioned
again
.
•
Without
batteries
,
the
toy
car
cannot
function
.
Without
batteries
,
the
toy
car
cannot
function
.
Verb
sense
recorded
from
the
late
17th
century
,
from
the
noun
meaning
“
to
perform
a
duty
.”
noun
a
rule
in
mathematics
that
links
every
input
value
to
exactly
one
output
value
•
The
equation
y
=
2x
shows
a
linear
function
with
a
constant
slope
.
The
equation
y
=
2x
shows
a
linear
function
with
a
constant
slope
.
•
Students
plotted
the
quadratic
function
on
graph
paper
.
Students
plotted
the
quadratic
function
on
graph
paper
.
Adopted
into
mathematical
language
in
the
17th
century
by
Leibniz
to
describe
dependent
quantities
.
noun
a
named
block
of
computer
code
that
performs
a
specific
action
when
it
is
called
•
In
Python
,
the
"
print
()"
function
displays
text
on
the
screen
.
In
Python
,
the
"
print
()"
function
displays
text
on
the
screen
.
•
They
wrote
a
function
to
calculate
the
total
price
of
all
items
in
the
cart
.
They
wrote
a
function
to
calculate
the
total
price
of
all
items
in
the
cart
.
Borrowed
into
computing
in
the
mid-20th
century
,
extending
the
mathematical
sense
to
pieces
of
executable
code
.
