TM5-6675-326-146-4 DESCRIPTION AND USE OF OPERATOR’ S CONTROLS AND INDICATORS - ContinuedKeyC o n t r o l o r I n d i c a t orFunctionTangent/arc tangentComputes tangento f v a l u e i n X - r e g i s t e r .T A N-1: Computes arctangent of number inX - 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 alC o m p u t e s r e c i p r o c a lof number in X-register.Computes factorial ofnumber in X-register .Computes square ofnumber in X-register.Computes mean(average) of X and Yv a l u e s.Square/averageComputes square rootof number in X-register .Square root/standardd e v i a t i ons:Computes samplestandard deviations of Xand Y values.Accumulate/subtractAccumulates numbersfrom X- and Y-registersinto secondary storager e g i s t e r s.Subtracts X and Yvalues from storager e g i s t e r s .D i s p l a y / r e c a l lFollowed by numberkey, selects number ofd i s p l a y e d d i g i t s.LAST X:Recalls numberdisplayed before previousoperation back intoX - r e g i s t e r .Computes X% of Y.Percent/change% CH:Computes percentof change from number inY-register to number inX - r e g i s t e r .6-26
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