Varian Data 620/i System Reference Manual page 119

Standard DATA 620/i Subroutines
I
Subroutines Locations Time
Elementary Funetions*
e
Log (1 +
X),
(0
~
X
< 1) 19
365 usee
Exponential
-x
(e ) (0
~
X <
1) 17 283 usee
Exponential
+x
(e ) (0
~
X <
1)
17 333 usee
Square Root (0
:5:
X
< 1)
58
493 usec
Sine
X (-7T<X<7T)
31 315 usee
Cosine
X (- 7T < X< 7T)
20 310 usee
Arc tan (-1 to 1)
15 380 usee
Single Precision (fixed point)
Mu I ti ply (optiona I) hardware 18 usee
Divide (optional)
.hardware 27 usee
Divide (programmed)
27 300 usee
Double Precision (fixed point)
Open
Addition
7 20 usee
Subtraction
7 20 usee
Multiplication
16 97.2 usee
Divide
28 1036 usee
Closed
Addition
23
54.
a
usec
Subtraction
25 57.6 usee
Multiply
36 127.8 usee
Divide
35 1050 usee
~
*AII elementary functions exept square root require a subroutine called POLY, which
takes 42 locations.
B-1