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慜暸 儊僯儏乕 師暸

    慻崬傒娭悢乮嶰妏娭悢乯 仚仚仚

`SIN(x) 惓尫娭悢` sine

`COS(x) 梋尫娭悢` cosine

`TAN(x) 惓愙娭悢` tangent

`CSC(x) 梋妱娭悢` cosecant`1/sin(x)`

`SEC(x) 惓妱娭悢` secant`1/cos(x)`

`COT(x) 梋愙娭悢` cotangent`cos(x)/sin(x)`

`ASIN(x)` sin`兤亖x 偲側傞兤丅偨偩偟丆亅兾/2亝兤亝兾/2`

`ACOS(x)` cos`兤亖x 偲側傞兤丅偨偩偟丆 0亝兤亝兾`

`ATN(x)` tan`兤亖x 偲側傞兤丅偨偩偟丆亅兾/2亙兤亙兾/2`

    ANGLE(x,y)   尨揰偲揰(x,y)傪寢傇敿捈慄偑倶幉偺惓偺岦偒偲側偡妏丅
                                 偨偩偟丆  亅兾亙ANGLE(x,y)亝兾
    <旛峫>忋婰偺奺娭悢偼丆 OPTION ANGLE DEGREES暥傪彂偔偲丆妏偺戝偒偝偺扨埵偑搙偵側傞丅
    <Note> 1000寘儌乕僪偲桳棟悢儌乕僪偱偼巊偊側偄丅徻嵶

    <旛峫>
    PI     墌廃棪兾偺嬤帡抣