Import translations. DO NOT MERGE

Auto-generated-cl: translation import

Bug: 29055189
Change-Id: I78c7d5fc82fa29554961d8630e2e22bd25102c45
diff --git a/res/values-ko/strings.xml b/res/values-ko/strings.xml
index a594dd4..6d3b69f 100644
--- a/res/values-ko/strings.xml
+++ b/res/values-ko/strings.xml
@@ -57,6 +57,7 @@
     <string name="desc_del" msgid="7879515781929311432">"삭제"</string>
     <string name="desc_inv_off" msgid="3672218250519616068">"역함수 표시"</string>
     <string name="desc_inv_on" msgid="2515675590767677178">"역함수 숨기기"</string>
+    <string name="desc_formula" msgid="8056588859637585007">"수식 없음"</string>
     <string name="error_nan" msgid="5674077944929888710">"숫자가 아님"</string>
     <string name="error_syntax" msgid="4786987111228645602">"잘못된 수식"</string>
     <string name="error_aborted" msgid="3402238176316342537">"중단됨"</string>