diff --git a/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/cost/DataSetCost.scala b/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/cost/DataSetCost.scala
index 7b439ecc02627..6a9064022d57d 100644
--- a/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/cost/DataSetCost.scala
+++ b/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/cost/DataSetCost.scala
@@ -109,7 +109,7 @@ class DataSetCost(val rowCount: Double, val cpu: Double, val io: Double) extends
     if (n == 0) {
       return 1.0
     }
-    Math.pow(d, 1 / n)
+    StrictMath.pow(d, 1 / n)
   }
 
   def plus(other: RelOptCost): RelOptCost = {
diff --git a/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala b/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
index 7f75f3f7b7fd2..5aaacd490ddb6 100644
--- a/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
+++ b/flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
@@ -43,7 +43,7 @@ class ScalarFunctions {}
 object ScalarFunctions {
 
   def power(a: Double, b: JBigDecimal): Double = {
-    Math.pow(a, b.doubleValue())
+    StrictMath.pow(a, b.doubleValue())
   }
 
   /**
@@ -111,7 +111,7 @@ object ScalarFunctions {
     if (x <= 0.0) {
       throw new IllegalArgumentException(s"x of 'log(x)' must be > 0, but x = $x")
     } else {
-      Math.log(x)
+      StrictMath.log(x)
     }
   }
 
@@ -139,7 +139,7 @@ object ScalarFunctions {
     if (base <= 1.0) {
       throw new IllegalArgumentException(s"base of 'log(base, x)' must be > 1, but base = $base")
     } else {
-      Math.log(x) / Math.log(base)
+      StrictMath.log(x) / StrictMath.log(base)
     }
   }
 
@@ -150,7 +150,7 @@ object ScalarFunctions {
     if (x <= 0.0) {
       throw new IllegalArgumentException(s"x of 'log2(x)' must be > 0, but x = $x")
     } else {
-      Math.log(x) / Math.log(2)
+      StrictMath.log(x) / StrictMath.log(2)
     }
   }
 
diff --git a/flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/expressions/SqlExpressionTest.scala b/flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/expressions/SqlExpressionTest.scala
index 4e69de9878180..e162d9ea16262 100644
--- a/flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/expressions/SqlExpressionTest.scala
+++ b/flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/expressions/SqlExpressionTest.scala
@@ -103,7 +103,7 @@ class SqlExpressionTest extends ExpressionTestBase {
     testSqlApi("LOG10(10)", "1.0")
     testSqlApi("LOG2(8)", "3.0")
     testSqlApi("LOG(E())", "1.0")
-    testSqlApi("LOG(3,27)", "3.0")
+    testSqlApi("LOG(3,27)", "3.0000000000000004")
     testSqlApi("EXP(1)", "2.718281828459045")
     testSqlApi("CEIL(2.5)", "3")
     testSqlApi("CEILING(2.5)", "3")