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Facit NTK Manual page 26

Calculating machine

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Reciprocal values
By the
expression
reciprocal
is
meant: 1 divicled by a
nun'rbcr
values
1.
or,
expressed
in fractions:
r-rumber
ExamPle:
,', -
?
This
operation can be carried
out
as
an ordinary division, but
thc
simplest method
is
the
following:
Set
up
98.
Press
tabulator
!
and
turn
handle
forward until
bell
rings,
in
this particular
case,
two
turns. You
will
hear the
bell
at
the
second
turn. This
indicates
that you have
gone
a
turn too
many
and, therefore, you have
to
make
a
negative
turn.
Press
the right
hand
shift
k.v lI
once
and make
a forward turn. The bell
rings
and you therefore give the handle a backward
turn.
Press
the right
hand shift
k.y B
again and continue
in
this
manner
until
the
multiplier
register
has
been
completely
filled with
figures.
The
answcr
rvill
appear
in
the
multiplier
register and
is
a
The
decimal
point is
positioned according
to
the following
rulc:
pur
in
front
of
the answer you
received
in
tl-re
multiplier
registcr
as many nougths as there are units
in
the original number,
in
this
case
two
noughts.
The
first of
these
is the
unit
nought. The
answer
is therefore
0.010204081'
3t
NTK.
E.

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