(arctan0.234-arctan0.5-arctan0.05)*9.16
    180+arctan0.234*9.16-arctan0.5*9.16-arctan0.05*9.16-90
    945/0.159465
    3543601^0.5
    551^2+1800^2
    1890/0.178316
    0.58787*0.5*3215^2-0.5*3215^2*sin(0.58787)
    1800^2/551
    1800^2-551^2
    6084.47*cos(0.310638)+551.11
    cos20.7/sin20.7
    cos45/sin45
    5893/sin20.7
    3*5893/sin45
    180+arctan(3*0.229)-90-arctan(6*0.229)-arctan(100*0.229/623.689)-arctan(10*0.229)
    0.155319*6084.47^2-0.5*1800*6084.47*cos(0.310638)
    lg50
    lg(10/3)
    lg(10/6)
    0.155319/sin0.155319

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