diff --git a/java_console/models/src/com/fathzer/soft/javaluator/AbstractEvaluator.java b/java_console/models/src/com/fathzer/soft/javaluator/AbstractEvaluator.java
index 55ffc4e7cd..bb485266c5 100644
--- a/java_console/models/src/com/fathzer/soft/javaluator/AbstractEvaluator.java
+++ b/java_console/models/src/com/fathzer/soft/javaluator/AbstractEvaluator.java
@@ -384,8 +384,8 @@ public abstract class AbstractEvaluator<T> {
 			}
 			output(values, sc, evaluationContext);
 		}
-		if (values.size()!=1) {
-			throw new IllegalArgumentException();
+		if (values.size() != 1) {
+			throw new IllegalArgumentException("Only one element expected "+ values);
 		}
 		Collections.reverse(stackRPN);
 
diff --git a/java_console/models/src/com/fathzer/soft/javaluator/DoubleEvaluator.java b/java_console/models/src/com/fathzer/soft/javaluator/DoubleEvaluator.java
index c7beed1239..6001643012 100644
--- a/java_console/models/src/com/fathzer/soft/javaluator/DoubleEvaluator.java
+++ b/java_console/models/src/com/fathzer/soft/javaluator/DoubleEvaluator.java
@@ -113,7 +113,10 @@ public class DoubleEvaluator extends AbstractEvaluator<Double> {
 	public static final Function LN = new Function("ln", 1);
 	/** Returns the decimal logarithm of a number */
 	public static final Function LOG = new Function("log", 1);
-	
+
+	public static final Function fsio_setting = new Function("fsio_setting", 1);
+
+
 	/** Returns a pseudo random number */
 	public static final Function RANDOM = new Function("random", 0);
 
@@ -155,7 +158,8 @@ public class DoubleEvaluator extends AbstractEvaluator<Double> {
 	private static final Operator[] OPERATORS = new Operator[]{NEGATE, NOT, NOT2, MORE, MORE_EQ, AND, AND2, OR, OR2, LESS, LESS_EQ, MINUS, PLUS, MULTIPLY, DIVIDE, EXPONENT, MODULO};
 
 	/** The whole set of predefined functions */
-	private static final Function[] FUNCTIONS = new Function[]{SINE, COSINE, TANGENT, ASINE, ACOSINE, ATAN, SINEH, COSINEH, TANGENTH, MIN, MAX, SUM, AVERAGE, LN, LOG, ROUND, CEIL, FLOOR, ABS, RANDOM};
+	private static final Function[] FUNCTIONS = new Function[]{SINE, COSINE, TANGENT, ASINE, ACOSINE, ATAN, SINEH, COSINEH, TANGENTH, MIN, MAX, SUM, AVERAGE, LN, LOG, ROUND, CEIL, FLOOR, ABS, RANDOM,
+			fsio_setting};
 	/** The whole set of predefined constants */
 	private static final Constant[] CONSTANTS = new Constant[]{TRUE, FALSE};
 	
@@ -348,6 +352,8 @@ public class DoubleEvaluator extends AbstractEvaluator<Double> {
 			result = Math.log10(arguments.next());
 		} else if (RANDOM.equals(function)) {
 			result = Math.random();
+		} else if (fsio_setting.equals(function)) {
+			result = 333333.0;
 		} else {
 			result = super.evaluate(function, arguments, evaluationContext);
 		}
diff --git a/java_console/models/src/com/rusefi/test/ParserTest.java b/java_console/models/src/com/rusefi/test/ParserTest.java
index da2eca07f4..d31898139a 100644
--- a/java_console/models/src/com/rusefi/test/ParserTest.java
+++ b/java_console/models/src/com/rusefi/test/ParserTest.java
@@ -11,13 +11,16 @@ import static org.junit.Assert.assertEquals;
 
 /**
  * @see DoubleEvaluator
+ * @see Operator
  */
 public class ParserTest {
     @Test
     public void testFunctionParameters() {
         assertParse("3 log", "log(3)");
-        // todo: parameter order needs to be in postfix form
-     //   assertParseB("fsio_setting 0", "fsio_setting 0");
+        assertParse("log 3", "log 3 "); // todo: better handling?
+        assertParse("0 fsio_setting", "fsio_setting(0)");
+
+        assertParse("rpm 2 fsio_setting >", "rpm > fsio_setting(2)");
     }
 
     @Test
diff --git a/java_console/ui/src/com/rusefi/Launcher.java b/java_console/ui/src/com/rusefi/Launcher.java
index 24a3c0e373..18b8df4a44 100644
--- a/java_console/ui/src/com/rusefi/Launcher.java
+++ b/java_console/ui/src/com/rusefi/Launcher.java
@@ -44,7 +44,7 @@ import static com.rusefi.ui.storage.PersistentConfiguration.getConfig;
  * @see EngineSnifferPanel
  */
 public class Launcher {
-    public static final int CONSOLE_VERSION = 20170302;
+    public static final int CONSOLE_VERSION = 20170311;
     public static final boolean SHOW_STIMULATOR = false;
     private static final String TAB_INDEX = "main_tab";
     protected static final String PORT_KEY = "port";