TM 5-6675-318-14
Key Code . . . . . . . . . . . . . . . . . .
Label . . . . . . . . . . . . . . . . . . . .
Looping . . . . . . . . . . . . . . . . . . .
Mantissa . . . . . . . . . . . . . . . . . .
Merged . . . . . . . . . . . . . . . . . . .
Merged Key Code. . . . . . . . . . . . . . .
Partitioning
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Describes key as some
number according to its
location on keyboard, for
p u r p o s e o f i d e n t i f i c a t i on
i n p r o g r a m . F i r s t d i g i t
denotes one of nine rows
of keys (from top to
b o t t o m ) . S e c o n d d i g it
denotes which of five
columns (1 to 5, left to
r i g h t ) i n w h i c h k e y i s
l o c a t e d . 2 n d f u n c t i o n s
are generally designated
by adding 5 to column
number.
Program marker used to
s p l i t u p a n d i d e n t i fy
portions of program or to
i d e n t i f y e n t i r e p r o g r a m.
Some labels can be used
to call up program or
portion of program and
s t a r t i t r u n n i n g ( i . e . ,
pressing key for label
starts program with that
label).
I n s t r u c t i n g c a l c u l a t o r
(in program mode) to perform
same sequence of instructions
over and over again, until
i n s t r u c t e d t o s t o p . L o o p i n g
instructions resets program
p o i n t e r t o e a r l i e r l o c a t i o n .
Decimal part of logarithm
or of number expressed as
power of 10.
Program instructions that
are combined and stored
in one program (memory)
l o c a t i o n .
Key codes are merged into
s i n g l e t w o - d i g i t c o d e.
Dividing memory registers
o f c a l c u l a t o r i n t o r e g i s -
ters for storing data and
r e g i s t e r s f o r s t o r i ng
p r o g r a m i n s t r u c t i o n s.
7-3