=LET (Spend,SUMIF (T_Budget [Category],E2,T_Budget [Cost]),IFS (Spend>F2,"Over budget",Spend=F2,"Budget hit",Spend> (F2*0.9), ...
Abstract: Signature verification is a potential research area because of its social, legal and cultural acceptance since time immemorial. Hence unlike other biometrics it is more prone to forgery. So ...