Operator: LN The IEC operator yields the natural logarithm of a

Operator: EXP The IEC operator yields the exponential function

Operator: EXPT The IEC operator raises a number to a

Operator: SIN The IEC operator yields the sine value of a

Operator: COS The IEC operator yields the cosine value of a

Operator: TAN The IEC operator yields the tangent value of a

Operator: ASIN The IEC operator yields the arcsine value of a

Operator: ACOS The IEC operator yields the arccosine value of a

Operator: ATAN The IEC operator yields the arctangent value of a

Operator: __DELETE The operator [...] .3.2.0. The operator releases