Sandbox

$AGP_{r,f=1}=YL_{r}*LD_{r,l=1}$ BLOOP Failed to parse (syntax error): {\displaystyle byl_r=cD_r*(1+AGTEC_r)_{t-1}*KAG_r^CDALF_{r,s=1}*LABS__{r,s=1}^{1-CDALF}_{r,s=1}*SATK_r}