I tried with 2 lines which give :*
ASSIGN/V1=ANGLEBETWEEN(LN1.IJK,LN2.IJK) (V1=51.1497°)
ASSIGN/V2=(V1-INT(V1))*60
ASSIGN/V3=(V2-INT(V3))*60
ASSIGN/V4=INT(V1)+" ° "+INT(V2)+" ' "+ROUND(V3)+" '' " (V4=51 ° 8 ' 59'') for sec, use 2*' and not " !
I tried with 2 lines which give :*
ASSIGN/V1=ANGLEBETWEEN(LN1.IJK,LN2.IJK) (V1=51.1497°)
ASSIGN/V2=(V1-INT(V1))*60
ASSIGN/V3=(V2-INT(V3))*60
ASSIGN/V4=INT(V1)+" ° "+INT(V2)+" ' "+ROUND(V3)+" '' " (V4=51 ° 8 ' 59'') for sec, use 2*' and not " !