Laser 128 - H. Mathematical Functions

MATHEMATICAL FUNCTIONS
H. MATHEMATICAL FUNCTIONS
Functions that are not intrinsic to Personal Computer
BASIC may be calculated as follows.
Function Equivalent
Secant SEC(x)=l / COS(x)
Cosecant CSC(x)=l/SIN(x)
Cotangent COT(x)=l / T AN(x)
Inverse sine ARCSIN(x)=A TN(x/SQR( 1-x*x))
In verse cosine ARCCOS(x)= l .570796-A TN
(x / SQR(l-x*x))
Inverse secant ARCSEC(x)=ATN(!/ AQR
(x*x-1))+(x<0)*3. l4 l 593
Inverse cosecant ARCCSC(x)=ATN((l / SQR
(x*x-1))+(x<0)*3.l41593
Inverse cotangent ACCOT(x)=l.57096 - ATN(x)
Hyperbolic sine SINH(x)=(EXP(x)-EXP ··x))/ 2
Hyperbolic cosine COSH(x)=(EXP(x)+ EXP(-x))/2
Hyperbolic tang e nt T ANH(x)=EXP(x)-EXP
(-x))/ (EXP(x)+EXP(-x))
Hyperbolic secant SECH(x)=2/(EXP(x)+EXP(-x))
Hyperbolic cosecant CSCH(x)=2/ (EXP(x)-EXP(-x))
Hyperbolic cotangent COTH(x)=(EXP(-x)) / (EXP
(x)-EXP(-x))
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