diff --git a/src/korean/NounKor.gf b/src/korean/NounKor.gf
index 9e81e44f0..7f8798ae8 100644
--- a/src/korean/NounKor.gf
+++ b/src/korean/NounKor.gf
@@ -94,13 +94,13 @@ concrete NounKor of Noun = CatKor ** open ResKor, Prelude in {
   NumPl = baseNum ** {n = Pl} ;
 
   -- : Card -> Num ;
-  -- NumCard card =
+  NumCard card = card ;
 
   -- : Digits  -> Card ;
   --  NumDigits dig =
 
   -- : Numeral -> Card ;
-  -- NumNumeral num
+  NumNumeral num = num ;
 
 {-
   -- : AdN -> Card -> Card ;
diff --git a/src/korean/NumeralKor.gf b/src/korean/NumeralKor.gf
index 83179b773..9b2c6edb7 100644
--- a/src/korean/NumeralKor.gf
+++ b/src/korean/NumeralKor.gf
@@ -1,4 +1,126 @@
 concrete NumeralKor of Numeral = CatKor [Numeral,Digits] **
-  open Prelude, ResKor, ParamKor in {
+  open Prelude, ResKor in {
 
+lincat
+  Digit = LinDigit ;
+  Sub10,
+  Sub100,
+  Sub1000,
+  Sub1000000 = ResKor.Numeral ;
+
+lin
+  -- : Sub1000000 -> Numeral ;              -- 123456 [coercion to top category]
+  num x = x ;
+
+  -- : Digit ;
+  n2 = mkNum4 "이" "둘" "두" "스물" ** {isTwo=True} ;
+  n3 = mkNum4 "삼" "셋" "세" "서른" ;
+  n4 = mkNum4 "사" "넷" "네" "마흔" ;
+  n5 = mkNum4 "오" "다섯" "다섯" "쉰" ;
+  n6 = mkNum2 "육" "여섯" ;
+  n7 = mkNum2 "칠" "일곱" ;
+  n8 = mkNum2 "팔" "여덟" ;
+  n9 = mkNum2 "구" "아홉" ;
+
+  -- : Sub10 ;                              -- 1
+  pot01 = mkNum4 "일" "하나" "한" "첫" ;
+
+  -- : Digit -> Sub10 ;                     -- d * 1
+  pot0 x = x ;
+
+  -- : Sub100 ;                             -- 10
+  pot110 = mkNum2 "십" "열" ;
+
+  -- : Sub100 ;                             -- 11
+  pot111 = mkNum4 "십일" "열하나" "열한" "십첫" ; -- TODO check
+
+  -- : Digit -> Sub100 ;                    -- 10 + d
+  pot1to19 d = let newS = xPlus "십" "열" d.s in d ** {
+    s = newS ;
+    n = Pl ;
+    ord = newS ! NK ! Attrib ++ "번째" ;
+    } ;
+
+  -- : Sub10 -> Sub100 ;                    -- coercion of 1..9
+  pot0as1 x = x ;
+
+  -- : Digit -> Sub100 ;                    -- d * 10
+  pot1 d = let sk = potTimes "십" "열" d in sk ** {
+    s = table {
+          SK => sk.s ! SK ;
+          NK => case d.isTwo of {
+                        True  => table {Attrib => "스무" ; Indep => "스물"} ;
+                        False => table {_ => d.ten}
+                      }
+        }
+    } ;
+
+  -- : Digit -> Sub10 -> Sub100 ;           -- d * 10 + n
+  pot1plus d n =
+    let dx10 = pot1 d ;
+        tenSK = glue (dx10.s ! SK ! Indep) "십" ;
+        tenNK = d.ten ;
+        newS = xPlus tenSK tenNK n.s
+     in dx10 ** {
+          s = newS ;
+          ord = newS ! NK ! Attrib ++ "번째" ; -- TODO check
+          } ;
+
+  -- : Sub100 -> Sub1000 ;                  -- coercion of 1..99
+  pot1as2 x = x ;
+
+  -- : Sub10 -> Sub1000 ;                   -- m * 100
+  pot2 = potTimes "백" "백" ;
+
+  -- : Sub10 -> Sub100 -> Sub1000 ;         -- m * 100 + n
+  pot2plus m n = TODO ;
+
+  -- : Sub1000 -> Sub1000000 ;              -- coercion of 1..999
+  pot2as3 x = x ;
+
+  -- : Sub1000 -> Sub1000000 ;              -- m * 1000
+  pot3 m = TODO ;
+
+  -- : Sub1000 -> Sub1000 -> Sub1000000 ;   -- m * 1000 + n
+  pot3plus m n = TODO ;
+
+
+oper
+  LinDigit : Type = ResKor.Numeral ** {isTwo : Bool ; ten : Str} ;
+
+  mkNum2 : (sk, nk : Str) -> LinDigit =
+    \sk,nk -> mkNum5 sk nk nk nk (sk+"십") ; -- Digits >5: no NK form for d*10
+
+  mkNum4 : (x1,_,_,x4 : Str) -> LinDigit =
+    \sk,nk,ord,ten -> mkNum5 sk nk ord ord ten ; -- Digits >4: NK attrib==indep
+
+  mkNum5 : (x1,_,_,_,x5 : Str) -> LinDigit = \sk,nk,nkAttr,ord,ten -> {
+    s = table {
+          SK => \\_ => sk ;
+          NK => table {Indep => nk ; _ => nkAttr }
+          } ;
+    n = Pl ;
+    numtype = IsNum ;
+    isTwo = False ;
+    ten = ten ;
+    ord = ord ++ "번째" ;
+  } ;
+
+  NumForm : Type = NumOrigin => DForm => Str ;
+
+  xTimes : (tenSK, tenNK : Str) -> NumForm -> NumForm = \sk,nk,tbl ->
+    table {SK => \\df => glue (tbl ! SK ! df)    sk ;
+           NK => \\df => glue (tbl ! NK ! Indep) nk } ;
+  xPlus : (tenSK, tenNK : Str) -> NumForm -> NumForm = \sk,nk,tbl ->
+    table {SK => \\df => glue sk (tbl ! SK ! df) ;
+           NK => \\df => glue nk (tbl ! NK ! df) } ;
+
+  potTimes : (sk,nk : Str) -> ResKor.Numeral -> ResKor.Numeral = \sk,nk,num ->
+    let newS = xTimes sk nk num.s in num ** {
+      s = newS ;
+      n = Pl ;
+      ord = newS ! NK ! Attrib ++ "번째" ; -- TODO check
+    } ;
+
+  TODO : ResKor.Numeral = mkNum2 "TODO" "TODO" ;
 }
diff --git a/src/korean/ParamKor.gf b/src/korean/ParamKor.gf
index b7097c86c..3f9f909ef 100644
Binary files a/src/korean/ParamKor.gf and b/src/korean/ParamKor.gf differ