<s>
Standard	B-Operating_System
Apple	I-Operating_System
Numerics	I-Operating_System
Environment	I-Operating_System
(	O
SANE	O
)	O
was	O
Apple	O
Computer	O
's	O
software	O
implementation	O
of	O
IEEE	O
754	O
floating-point	B-Algorithm
arithmetic	I-Algorithm
.	O
</s>
<s>
It	O
was	O
available	O
for	O
the	O
6502	B-General_Concept
based	O
Apple	B-Device
II	I-Device
and	O
Apple	B-Device
III	I-Device
models	O
and	O
came	O
standard	O
with	O
the	O
65816	B-General_Concept
based	O
Apple	B-Device
IIGS	I-Device
and	O
680x0	B-Device
based	O
Macintosh	B-Device
and	O
Lisa	B-Device
models	O
.	O
</s>
<s>
Later	O
Macintosh	B-Device
models	O
had	O
hardware	O
floating	B-Algorithm
point	I-Algorithm
arithmetic	I-Algorithm
via	O
68040	B-Device
microprocessors	I-Device
or	O
68881	B-General_Concept
floating	B-Algorithm
point	I-Algorithm
coprocessors	B-General_Concept
,	O
but	O
still	O
included	O
SANE	O
for	O
compatibility	O
with	O
existing	O
software	O
.	O
</s>
<s>
SANE	O
was	O
replaced	O
by	O
Floating	B-Algorithm
Point	I-Algorithm
C	O
Extensions	O
access	O
to	O
hardware	O
floating	B-Algorithm
point	I-Algorithm
arithmetic	I-Algorithm
in	O
the	O
early	O
1990s	O
as	O
Apple	O
switched	O
from	O
680x0	B-Device
to	O
PowerPC	B-Architecture
microprocessors	B-Architecture
.	O
</s>
