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How to get the moment to heel one degree value (MH1).
    `MH1.RF illustrates how to get the moment to heel one degree value (MH1) from
    `GHS by using the GMT value derived from the macro GETGMT.
    
    READ FV.GF
    DRAFT 5
    VCG 6
    SO WEIGHT,LCG
    
     macro GETGMT
      variables BGL,BGT,BGV,C,S,t1,t2,BG,GMT1
      set BGL = {LCG} minus {LCB}
      set BGT = {TCG} minus {TCB}
      set BGV = {VCG} minus {VCB}
      set C = cos {HEEL}
      set S = sin {HEEL}
      set t1 = {BGV} times {C}
      set t2 = {BGT} times {S}
      set BG = {t1} minus {t2}
      set C = cos {TRIM}
      set S = sin {TRIM}
      set t1 = {BG} times {C}
      set t2 = {BGL} times {S}
      set BG = {t1} minus {t2}
      set GMT1 = {BMT} minus {BG}
     /
     solve
     ghs
     .GETGMT
     variable MH1
     set MH1 = {GMT1} times {WEIGHT} times 0.01745
     \Moment to heel one degree = {MH1:2} {LUNIT}-{WUNIT}.\
    

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