Nazdikshavii muntazam, holati khususii mafhumi nazdikshavist. Agar baroi dilkhoh ε > 0 chunin N = N(ε) mavjud boshad, ki baroi on nobarobarii | f(kh) —fn(kh) | < ε hangomi p > N va baroi hamai nuqtahoi x-i majmui dodashuda ijro shavad, paydarpaii funksiyahoi fn (x) ( n = 1, 2, …) dar majmui dodashuda ba funksiyai hududii f(kh) muntazam nazdik shavanda nombda meshavad. Macfkfy, paydarpaii funkciyahoi f n (x) = khp dar porchai
ba funkciyai hududii f(kh) = 0 muntazam nazdikshavanda meboshad, zero baroi oar guna 0 < kh < ǀ f(kh) fn (x)< ( )n < e agar p >ln( ) /ln 2 boshad, in funksiya
dar porchai [O, 1] muntazam nazdikshavanda nameboshad.
Paydarpaihoi muntazam nazdikshavanda khosiyathoi baso muhim dorand: masalan, funksiyai hududii paydarpaii muntazam nazdikshavanda hamchunin funksiyai befosila meboshad va gayra. Dar tahlili matematikii Nazdikshavii muntazam teoremai Veyershtrass mavqei muhim dorad. Har guna funksiyai dar parcha befosilaro chun hududi paydarpaii bisyoruzvahoi muntazam nazdikshavanda ifoda kardan mumkin ast.