<s>
Speedcoding	B-Language
,	O
Speedcode	B-Language
or	O
SpeedCo	B-Language
was	O
the	O
first	O
high-level	B-Language
programming	I-Language
language	I-Language
created	O
for	O
an	O
IBM	O
computer	O
.	O
</s>
<s>
The	O
language	O
was	O
developed	O
by	O
John	O
W	O
.	O
Backus	O
in	O
1953	O
for	O
the	O
IBM	B-Device
701	I-Device
to	O
support	O
computation	O
with	O
floating	B-Algorithm
point	I-Algorithm
numbers	I-Algorithm
.	O
</s>
<s>
The	O
idea	O
arose	O
from	O
the	O
difficulty	O
of	O
programming	O
the	O
IBM	B-Device
SSEC	I-Device
machine	B-Language
when	O
Backus	O
was	O
hired	O
to	O
calculate	O
astronomical	O
positions	O
in	O
early	O
1950	O
.	O
</s>
<s>
The	O
speedcoding	B-Language
system	I-Language
was	O
an	O
interpreter	B-Application
and	O
focused	O
on	O
ease	O
of	O
use	O
at	O
the	O
expense	O
of	O
system	O
resources	O
.	O
</s>
<s>
Speedcoding	B-Language
was	O
also	O
the	O
first	O
implementation	O
of	O
decimal	O
input/output	O
operations	O
.	O
</s>
<s>
Although	O
it	O
substantially	O
reduced	O
the	O
effort	O
of	O
writing	O
many	O
jobs	O
,	O
the	O
running	O
time	O
of	O
a	O
program	O
that	O
was	O
written	O
with	O
the	O
help	O
of	O
Speedcoding	B-Language
was	O
usually	O
ten	O
to	O
twenty	O
times	O
that	O
of	O
machine	B-Language
code	I-Language
.	O
</s>
<s>
The	O
interpreter	B-Application
took	O
310	O
memory	O
words	O
,	O
about	O
30%	O
of	O
the	O
memory	O
available	O
on	O
a	O
701	O
.	O
</s>
