TM5-6675-326-14
6-4 DESCRIPTION AND USE OF OPERATOR’ S CONTROLS AND INDICATORS - Continued
Key
C o n t r o l o r I n d i c a t or
Function
Tangent/arc tangent
Computes tangent
o f v a l u e i n X - r e g i s t e r .
T A N-1: Computes arc
tangent of number in
X - r e g i s t e r .
R e c i p r o c a l / f a c t o r i al
C o m p u t e s r e c i p r o c a l
of number in X-register.
Computes factorial of
number in X-register .
Computes square of
number in X-register.
Computes mean
(average) of X and Y
v a l u e s.
Square/average
Computes square root
of number in X-register .
Square root/standard
d e v i a t i on
s:
Computes sample
standard deviations of X
and Y values.
Accumulate/subtract
Accumulates numbers
from X- and Y-registers
into secondary storage
r e g i s t e r s.
Subtracts X and Y
values from storage
r e g i s t e r s .
D i s p l a y / r e c a l l
Followed by number
key, selects number of
d i s p l a y e d d i g i t s.
LAST X:
Recalls number
displayed before previous
operation back into
X - r e g i s t e r .
Computes X% of Y.
Percent/change
% CH:
Computes percent
of change from number in
Y-register to number in
X - r e g i s t e r .
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