diff --git a/jscl/src/main/java/jscl/JsclMathEngine.java b/jscl/src/main/java/jscl/JsclMathEngine.java
index 6aba3f7f..c9305d87 100644
--- a/jscl/src/main/java/jscl/JsclMathEngine.java
+++ b/jscl/src/main/java/jscl/JsclMathEngine.java
@@ -9,6 +9,7 @@ import jscl.math.operator.Percent;
 import jscl.math.operator.Rand;
 import jscl.math.operator.matrix.OperatorsRegistry;
 import jscl.text.ParseException;
+import midpcalc.Real;
 import org.solovyev.common.math.MathRegistry;
 import org.solovyev.common.msg.MessageRegistry;
 import org.solovyev.common.msg.Messages;
@@ -29,7 +30,22 @@ public class JsclMathEngine implements MathEngine {
     public static final int MAX_FRACTION_DIGITS = 20;
     @Nonnull
     private static JsclMathEngine instance = new JsclMathEngine();
-
+    @Nonnull
+    private final ConstantsRegistry constantsRegistry = new ConstantsRegistry();
+    @Nonnull
+    private final ThreadLocal<DecimalFormat> defaultNumbersFormat = new ThreadLocal<DecimalFormat>() {
+        @Override
+        protected DecimalFormat initialValue() {
+            return new DecimalFormat();
+        }
+    };
+    @Nonnull
+    private final ThreadLocal<DecimalFormat> smallNumbersFormat = new ThreadLocal<DecimalFormat>() {
+        @Override
+        protected DecimalFormat initialValue() {
+            return new DecimalFormat("##0.#####E0");
+        }
+    };
     @Nonnull
     private DecimalFormatSymbols decimalGroupSymbols = new DecimalFormatSymbols(Locale.getDefault());
     private boolean roundResult = false;
@@ -41,8 +57,6 @@ public class JsclMathEngine implements MathEngine {
     @Nonnull
     private NumeralBase numeralBase = DEFAULT_NUMERAL_BASE;
     @Nonnull
-    private final ConstantsRegistry constantsRegistry = new ConstantsRegistry();
-    @Nonnull
     private MessageRegistry messageRegistry = Messages.synchronizedMessageRegistry(new FixedCapacityListMessageRegistry(10));
 
     {
@@ -150,71 +164,128 @@ public class JsclMathEngine implements MathEngine {
     @Nonnull
     public String format(@Nonnull Double value, @Nonnull NumeralBase nb) throws NumeralBaseException {
         if (value.isInfinite()) {
-            // return predefined constant for infinity
-            if (value >= 0) {
-                return Constants.INF.getName();
-            } else {
-                return Constants.INF.expressionValue().negate().toString();
-            }
+            return formatInfinity(value);
+        } else if (value.isNaN()) {
+            // return "NaN"
+            return String.valueOf(value);
+        } else if (nb == NumeralBase.dec) {
+            return formatDec(value);
         } else {
-            if (value.isNaN()) {
-                // return "NaN"
-                return String.valueOf(value);
-            } else {
-                if (nb == NumeralBase.dec) {
-                    // decimal numeral base => do specific formatting
+            return convert(value, nb);
+        }
+    }
 
-                    // detect if current number is precisely equals to constant in constants' registry  (NOTE: ONLY FOR SYSTEM CONSTANTS)
-                    IConstant constant = findConstant(getConstantsRegistry().getSystemEntities(), value);
+    private String formatDec(@Nonnull Double value) {
+        if (value == 0d) {
+            return "0";
+        }
+        // detect if current number is precisely equals to constant in constants' registry  (NOTE: ONLY FOR SYSTEM CONSTANTS)
+        final IConstant constant = findConstant(value);
+        if (constant != null) {
+            return constant.getName();
+        }
 
-                    if (constant == null) {
-                        final IConstant piInv = this.getConstantsRegistry().get(Constants.PI_INV.getName());
-                        if (piInv != null && value.equals(piInv.getDoubleValue())) {
-                            constant = piInv;
-                        }
-                    }
+        if (scienceNotation) {
+            return formatDecEngineering(value);
+        }
 
-                    if (constant == null) {
-                        // prepare decimal format
-                        final DecimalFormat df;
+        return formatDecDefault(value);
+    }
 
-                        if (roundResult) {
-                            value = new BigDecimal(value).setScale(precision, BigDecimal.ROUND_HALF_UP).doubleValue();
-                        }
+    @Nonnull
+    private String formatDecEngineering(@Nonnull Double value) {
+        final double absValue = Math.abs(value);
+        final boolean smallNumber = absValue < 1 && absValue >= 0.001;
+        final Real.NumberFormat nf = new Real.NumberFormat();
+        nf.fse = smallNumber ? Real.NumberFormat.FSE_FIX : Real.NumberFormat.FSE_ENG;
+        if (useGroupingSeparator) {
+            nf.thousand = decimalGroupSymbols.getGroupingSeparator();
+        }
+        if (roundResult) {
+            nf.precision = precision;
+        }
+        final Real real = new Real(Double.toString(value));
+        return stripTrailingZeros(real.toString(nf));
+    }
 
-                        if (value != 0d && value != -0d) {
-                            if (Math.abs(value) < Math.pow(10, -5) || scienceNotation) {
-                                df = new DecimalFormat("##0.#####E0");
-                            } else {
-                                df = new DecimalFormat();
-                            }
-                        } else {
-                            df = new DecimalFormat();
-                        }
-
-                        df.setDecimalFormatSymbols(decimalGroupSymbols);
-                        df.setGroupingUsed(useGroupingSeparator);
-                        df.setGroupingSize(nb.getGroupingSize());
-
-                        if (!scienceNotation) {
-                            // using default round logic => try roundResult variable
-                            if (!roundResult) {
-                                // set maximum fraction digits high enough to show all fraction digits in case of no rounding
-                                df.setMaximumFractionDigits(MAX_FRACTION_DIGITS);
-                            } else {
-                                df.setMaximumFractionDigits(precision);
-                            }
-                        }
-
-                        return df.format(value);
-
-                    } else {
-                        return constant.getName();
-                    }
-                } else {
-                    return convert(value, nb);
-                }
+    @Nonnull
+    private String stripTrailingZeros(@Nonnull String s) {
+        final int dot = s.indexOf('.');
+        if (dot < 0) {
+            // no dot - no trailing zeros
+            return s;
+        }
+        final int e = s.lastIndexOf('E');
+        final int start;
+        String exponent = "";
+        if (e > 0) {
+            exponent = s.substring(e);
+            if (exponent.length() == 2 && exponent.charAt(1) == '0') {
+                exponent = "";
             }
+            start = e - 1;
+        } else {
+            start = s.length() - 1;
+        }
+        final int i = findLastNonZero(s, start);
+        return s.substring(0, i == dot ? i : i + 1) + exponent;
+    }
+
+    private int findLastNonZero(String s, int start) {
+        int i = start;
+        for (; i >= 0; i--) {
+            if (s.charAt(i) != '0') {
+                break;
+            }
+        }
+        return i;
+    }
+
+    @Nonnull
+    private String formatDecDefault(@Nonnull Double value) {
+        final BigDecimal bd;
+        if (roundResult) {
+            bd = BigDecimal.valueOf(value).setScale(precision, BigDecimal.ROUND_HALF_UP);
+        } else {
+            bd = BigDecimal.valueOf(value);
+        }
+        value = bd.doubleValue();
+        if (value == 0) {
+            return "0";
+        }
+
+        final DecimalFormat df = Math.abs(value) < Math.pow(10, -5) ? smallNumbersFormat.get() : defaultNumbersFormat.get();
+        df.setDecimalFormatSymbols(decimalGroupSymbols);
+        df.setGroupingUsed(useGroupingSeparator);
+        df.setGroupingSize(NumeralBase.dec.getGroupingSize());
+        if (roundResult) {
+            df.setMaximumFractionDigits(precision);
+        } else {
+            // set maximum fraction digits high enough to show all fraction digits in case of no rounding
+            df.setMaximumFractionDigits(MAX_FRACTION_DIGITS);
+        }
+        return df.format(value);
+    }
+
+    @Nullable
+    private IConstant findConstant(@Nonnull Double value) {
+        final IConstant constant = findConstant(constantsRegistry.getSystemEntities(), value);
+        if (constant != null) {
+            return constant;
+        }
+        final IConstant piInv = constantsRegistry.get(Constants.PI_INV.getName());
+        if (piInv != null && value.equals(piInv.getDoubleValue())) {
+            return piInv;
+        }
+        return null;
+    }
+
+    private String formatInfinity(@Nonnull Double value) {
+        // return predefined constant for infinity
+        if (value >= 0) {
+            return Constants.INF.getName();
+        } else {
+            return Constants.INF.expressionValue().negate().toString();
         }
     }
 
diff --git a/jscl/src/main/java/midpcalc/Real.java b/jscl/src/main/java/midpcalc/Real.java
index d8dfe4d2..d0736b2b 100755
--- a/jscl/src/main/java/midpcalc/Real.java
+++ b/jscl/src/main/java/midpcalc/Real.java
@@ -6599,7 +6599,7 @@ public final class Real {
                 width -= prefix;
             ftoaExp.setLength(0);
             if (useExp) {
-                ftoaExp.append('e');
+                ftoaExp.append('E');
                 ftoaExp.append(tmp4.exponent - pointPos);
                 width -= ftoaExp.length();
             }
diff --git a/jscl/src/test/java/jscl/JsclMathEngineTest.java b/jscl/src/test/java/jscl/JsclMathEngineTest.java
index c308c968..3423f4f9 100644
--- a/jscl/src/test/java/jscl/JsclMathEngineTest.java
+++ b/jscl/src/test/java/jscl/JsclMathEngineTest.java
@@ -1,8 +1,9 @@
 package jscl;
 
-import org.junit.Assert;
 import org.junit.Test;
 
+import static org.junit.Assert.assertEquals;
+
 /**
  * User: serso
  * Date: 12/15/11
@@ -15,70 +16,177 @@ public class JsclMathEngineTest {
 
         try {
             me.setUseGroupingSeparator(true);
-            Assert.assertEquals("1", me.format(1d, NumeralBase.bin));
-            Assert.assertEquals("10", me.format(2d, NumeralBase.bin));
-            Assert.assertEquals("11", me.format(3d, NumeralBase.bin));
-            Assert.assertEquals("100", me.format(4d, NumeralBase.bin));
-            Assert.assertEquals("101", me.format(5d, NumeralBase.bin));
-            Assert.assertEquals("110", me.format(6d, NumeralBase.bin));
-            Assert.assertEquals("111", me.format(7d, NumeralBase.bin));
-            Assert.assertEquals("1000", me.format(8d, NumeralBase.bin));
-            Assert.assertEquals("1001", me.format(9d, NumeralBase.bin));
-            Assert.assertEquals("1 0001", me.format(17d, NumeralBase.bin));
-            Assert.assertEquals("1 0100", me.format(20d, NumeralBase.bin));
-            Assert.assertEquals("1 0100", me.format(20d, NumeralBase.bin));
-            Assert.assertEquals("1 1111", me.format(31d, NumeralBase.bin));
+            assertEquals("1", me.format(1d, NumeralBase.bin));
+            assertEquals("10", me.format(2d, NumeralBase.bin));
+            assertEquals("11", me.format(3d, NumeralBase.bin));
+            assertEquals("100", me.format(4d, NumeralBase.bin));
+            assertEquals("101", me.format(5d, NumeralBase.bin));
+            assertEquals("110", me.format(6d, NumeralBase.bin));
+            assertEquals("111", me.format(7d, NumeralBase.bin));
+            assertEquals("1000", me.format(8d, NumeralBase.bin));
+            assertEquals("1001", me.format(9d, NumeralBase.bin));
+            assertEquals("1 0001", me.format(17d, NumeralBase.bin));
+            assertEquals("1 0100", me.format(20d, NumeralBase.bin));
+            assertEquals("1 0100", me.format(20d, NumeralBase.bin));
+            assertEquals("1 1111", me.format(31d, NumeralBase.bin));
 
             me.setRoundResult(true);
             me.setPrecision(10);
 
-            Assert.assertEquals("111 1111 0011 0110", me.format(32566d, NumeralBase.bin));
-            Assert.assertEquals("100.0100 1100 11", me.format(4.3d, NumeralBase.bin));
-            Assert.assertEquals("1 0001 0101 0011.0101 0101 10", me.format(4435.33423d, NumeralBase.bin));
-            Assert.assertEquals("1100.0101 0101 01", me.format(12.3333d, NumeralBase.bin));
-            Assert.assertEquals("1 0011 1101 1110 0100 0011 0101 0101.0001 1111 00", me.format(333333333.1212213321d, NumeralBase.bin));
+            assertEquals("111 1111 0011 0110", me.format(32566d, NumeralBase.bin));
+            assertEquals("100.0100 1100 11", me.format(4.3d, NumeralBase.bin));
+            assertEquals("1 0001 0101 0011.0101 0101 10", me.format(4435.33423d, NumeralBase.bin));
+            assertEquals("1100.0101 0101 01", me.format(12.3333d, NumeralBase.bin));
+            assertEquals("1 0011 1101 1110 0100 0011 0101 0101.0001 1111 00", me.format(333333333.1212213321d, NumeralBase.bin));
 
-            Assert.assertEquals("0.EE EE EE EE EE", me.format(14d / 15d, NumeralBase.hex));
-            Assert.assertEquals("7F 36", me.format(32566d, NumeralBase.hex));
-            Assert.assertEquals("24", me.format(36d, NumeralBase.hex));
-            Assert.assertEquals("8", me.format(8d, NumeralBase.hex));
-            Assert.assertEquals("1 3D", me.format(317d, NumeralBase.hex));
-            Assert.assertEquals("13 DE 43 55.1F 08 5B EF 14", me.format(333333333.1212213321d, NumeralBase.hex));
-            Assert.assertEquals("D 25 0F 77 0A.6F 73 18 FC 50", me.format(56456345354.43534534523459999d, NumeralBase.hex));
-            Assert.assertEquals("3 E7.4C CC CC CC CC", me.format(999.3d, NumeralBase.hex));
+            assertEquals("0.EE EE EE EE EE", me.format(14d / 15d, NumeralBase.hex));
+            assertEquals("7F 36", me.format(32566d, NumeralBase.hex));
+            assertEquals("24", me.format(36d, NumeralBase.hex));
+            assertEquals("8", me.format(8d, NumeralBase.hex));
+            assertEquals("1 3D", me.format(317d, NumeralBase.hex));
+            assertEquals("13 DE 43 55.1F 08 5B EF 14", me.format(333333333.1212213321d, NumeralBase.hex));
+            assertEquals("D 25 0F 77 0A.6F 73 18 FC 50", me.format(56456345354.43534534523459999d, NumeralBase.hex));
+            assertEquals("3 E7.4C CC CC CC CC", me.format(999.3d, NumeralBase.hex));
 
             me.setRoundResult(false);
-            Assert.assertEquals("0.00 00 00 00 00 00 00 00 00 6C", me.format(0.00000000000000000000009d, NumeralBase.hex));
-            Assert.assertEquals("0.00 00 00 00 00 00 00 00 00 0A", me.format(0.000000000000000000000009d, NumeralBase.hex));
+            assertEquals("0.00 00 00 00 00 00 00 00 00 6C", me.format(0.00000000000000000000009d, NumeralBase.hex));
+            assertEquals("0.00 00 00 00 00 00 00 00 00 0A", me.format(0.000000000000000000000009d, NumeralBase.hex));
 
         } finally {
             me.setUseGroupingSeparator(false);
         }
 
-        Assert.assertEquals("1", me.format(1d, NumeralBase.bin));
-        Assert.assertEquals("10", me.format(2d, NumeralBase.bin));
-        Assert.assertEquals("11", me.format(3d, NumeralBase.bin));
-        Assert.assertEquals("100", me.format(4d, NumeralBase.bin));
-        Assert.assertEquals("101", me.format(5d, NumeralBase.bin));
-        Assert.assertEquals("110", me.format(6d, NumeralBase.bin));
-        Assert.assertEquals("111", me.format(7d, NumeralBase.bin));
-        Assert.assertEquals("1000", me.format(8d, NumeralBase.bin));
-        Assert.assertEquals("1001", me.format(9d, NumeralBase.bin));
-        Assert.assertEquals("10001", me.format(17d, NumeralBase.bin));
-        Assert.assertEquals("10100", me.format(20d, NumeralBase.bin));
-        Assert.assertEquals("10100", me.format(20d, NumeralBase.bin));
-        Assert.assertEquals("11111", me.format(31d, NumeralBase.bin));
-        Assert.assertEquals("111111100110110", me.format(32566d, NumeralBase.bin));
+        assertEquals("1", me.format(1d, NumeralBase.bin));
+        assertEquals("10", me.format(2d, NumeralBase.bin));
+        assertEquals("11", me.format(3d, NumeralBase.bin));
+        assertEquals("100", me.format(4d, NumeralBase.bin));
+        assertEquals("101", me.format(5d, NumeralBase.bin));
+        assertEquals("110", me.format(6d, NumeralBase.bin));
+        assertEquals("111", me.format(7d, NumeralBase.bin));
+        assertEquals("1000", me.format(8d, NumeralBase.bin));
+        assertEquals("1001", me.format(9d, NumeralBase.bin));
+        assertEquals("10001", me.format(17d, NumeralBase.bin));
+        assertEquals("10100", me.format(20d, NumeralBase.bin));
+        assertEquals("10100", me.format(20d, NumeralBase.bin));
+        assertEquals("11111", me.format(31d, NumeralBase.bin));
+        assertEquals("111111100110110", me.format(32566d, NumeralBase.bin));
 
-        Assert.assertEquals("7F36", me.format(32566d, NumeralBase.hex));
-        Assert.assertEquals("24", me.format(36d, NumeralBase.hex));
-        Assert.assertEquals("8", me.format(8d, NumeralBase.hex));
-        Assert.assertEquals("13D", me.format(317d, NumeralBase.hex));
+        assertEquals("7F36", me.format(32566d, NumeralBase.hex));
+        assertEquals("24", me.format(36d, NumeralBase.hex));
+        assertEquals("8", me.format(8d, NumeralBase.hex));
+        assertEquals("13D", me.format(317d, NumeralBase.hex));
     }
 
     @Test
     public void testPiComputation() throws Exception {
         final JsclMathEngine me = JsclMathEngine.getInstance();
-        Assert.assertEquals("-1+122.46467991473532E-18*i", me.evaluate("exp(√(-1)*Π)"));
+        assertEquals("-1+122.46467991473532E-18*i", me.evaluate("exp(√(-1)*Π)"));
+    }
+
+    @Test
+    public void testEngineeringNotationWithRounding() throws Exception {
+        final JsclMathEngine me = JsclMathEngine.getInstance();
+        me.setScienceNotation(true);
+        me.setRoundResult(true);
+        me.setPrecision(5);
+
+        assertEquals("10E6", me.format(10000000d));
+        assertEquals("99E6", me.format(99000000d));
+        assertEquals("999E6", me.format(999000000d));
+        assertEquals("999E6", me.format(999000001d));
+        assertEquals("999.00001E6", me.format(999000011d));
+        assertEquals("1E6", me.format(1000000d));
+        assertEquals("111.11E3", me.format(111110d));
+        assertEquals("111.1E3", me.format(111100d));
+        assertEquals("111E3", me.format(111000d));
+        assertEquals("110E3", me.format(110000d));
+        assertEquals("100E3", me.format(100000d));
+        assertEquals("10E3", me.format(10000d));
+        assertEquals("1E3", me.format(1000d));
+        assertEquals("100", me.format(100d));
+        assertEquals("100.1", me.format(100.1d));
+        assertEquals("100.12", me.format(100.12d));
+        assertEquals("100.12345", me.format(100.123454d));
+        assertEquals("100.12346", me.format(100.123455d));
+        assertEquals("100.12346", me.format(100.123456d));
+        assertEquals("1", me.format(1d));
+        assertEquals("-42", me.format(-42d));
+        assertEquals("-999", me.format(-999d));
+        assertEquals("-999.99", me.format(-999.99d));
+        assertEquals("-0.1", me.format(-0.1d));
+        assertEquals("-0.12", me.format(-0.12d));
+        assertEquals("-0.123", me.format(-0.123d));
+        assertEquals("-0.1234", me.format(-0.1234d));
+        assertEquals("0.1", me.format(0.1));
+        assertEquals("0.01", me.format(0.01));
+        assertEquals("0.001", me.format(0.001));
+        assertEquals("0.001", me.format(0.00100000001));
+        assertEquals("0.0011", me.format(0.0011));
+        assertEquals("999.999E-6", me.format(0.000999999));
+        assertEquals("100E-6", me.format(0.0001));
+        assertEquals("1E-6", me.format(0.000001));
+        assertEquals("10E-9", me.format(0.00000001));
+
+        assertEquals("-100.001E3", me.format(-100001d));
+        assertEquals("100.001E3", me.format(100001d));
+        assertEquals("111.111E3", me.format(111111d));
+        assertEquals("111.11123E3", me.format(111111.234567d));
+        assertEquals("111.11123E3", me.format(111111.23456d));
+        assertEquals("111.11123E3", me.format(111111.2345d));
+        assertEquals("111.11123E3", me.format(111111.2345d));
+        assertEquals("111.11123E3", me.format(111111.234d));
+        assertEquals("111.11123E3", me.format(111111.23d));
+        assertEquals("111.1112E3", me.format(111111.2d));
+    }
+
+    @Test
+    public void testEngineeringNotationWithoutRounding() throws Exception {
+        final JsclMathEngine me = JsclMathEngine.getInstance();
+        me.setScienceNotation(true);
+        me.setRoundResult(false);
+
+        assertEquals("10E6", me.format(10000000d));
+        assertEquals("99E6", me.format(99000000d));
+        assertEquals("999E6", me.format(999000000d));
+        assertEquals("999.000001E6", me.format(999000001d));
+        assertEquals("999.000011E6", me.format(999000011d));
+        assertEquals("1E6", me.format(1000000d));
+        assertEquals("111.11E3", me.format(111110d));
+        assertEquals("111.1E3", me.format(111100d));
+        assertEquals("111E3", me.format(111000d));
+        assertEquals("110E3", me.format(110000d));
+        assertEquals("100E3", me.format(100000d));
+        assertEquals("10E3", me.format(10000d));
+        assertEquals("1E3", me.format(1000d));
+        assertEquals("100", me.format(100d));
+        assertEquals("100.1", me.format(100.1d));
+        assertEquals("100.12", me.format(100.12d));
+        assertEquals("100.123454", me.format(100.123454d));
+        assertEquals("100.123455", me.format(100.123455d));
+        assertEquals("100.123456", me.format(100.123456d));
+        assertEquals("1", me.format(1d));
+        assertEquals("-42", me.format(-42d));
+        assertEquals("-999", me.format(-999d));
+        assertEquals("-999.99", me.format(-999.99d));
+        assertEquals("-0.1", me.format(-0.1d));
+        assertEquals("-0.12", me.format(-0.12d));
+        assertEquals("-0.123", me.format(-0.123d));
+        assertEquals("-0.1234", me.format(-0.1234d));
+        assertEquals("0.1", me.format(0.1));
+        assertEquals("0.01", me.format(0.01));
+        assertEquals("0.001", me.format(0.001));
+        assertEquals("0.0011", me.format(0.0011));
+        assertEquals("999.999E-6", me.format(0.000999999));
+        assertEquals("100E-6", me.format(0.0001));
+
+        assertEquals("100.001E3", me.format(100001d));
+        assertEquals("111.111E3", me.format(111111d));
+        assertEquals("111.111234567E3", me.format(111111.234567d));
+        assertEquals("111.11123456E3", me.format(111111.23456d));
+        assertEquals("111.1112345E3", me.format(111111.2345d));
+        assertEquals("111.1112345E3", me.format(111111.2345d));
+        assertEquals("111.111234E3", me.format(111111.234d));
+        assertEquals("111.11123E3", me.format(111111.23d));
+        assertEquals("111.1112E3", me.format(111111.2d));
     }
 }
diff --git a/jscl/src/test/java/jscl/math/ExpressionTest.java b/jscl/src/test/java/jscl/math/ExpressionTest.java
index d2c84412..d1d13116 100644
--- a/jscl/src/test/java/jscl/math/ExpressionTest.java
+++ b/jscl/src/test/java/jscl/math/ExpressionTest.java
@@ -798,13 +798,19 @@ public class ExpressionTest {
 
             me.setScienceNotation(true);
             Assert.assertEquals("0", Expression.valueOf("0.0").simplify().toString());
-            Assert.assertEquals("1E0", Expression.valueOf("1.0").simplify().toString());
-            Assert.assertEquals("100E0", Expression.valueOf("100.0").simplify().toString());
+            Assert.assertEquals("1", Expression.valueOf("1.0").simplify().toString());
+            Assert.assertEquals("100", Expression.valueOf("100.0").simplify().toString());
 
+            me.setScienceNotation(false);
             me.setRoundResult(true);
             me.setPrecision(5);
             Assert.assertEquals("0", Expression.valueOf("1222/(10^9)").numeric().toString());
 
+            me.setScienceNotation(true);
+            me.setRoundResult(true);
+            me.setPrecision(5);
+            Assert.assertEquals("1.222E-6", Expression.valueOf("1222/(10^9)").numeric().toString());
+
             me.setRoundResult(true);
             me.setPrecision(10);
             Assert.assertEquals("1.222E-6", Expression.valueOf("1222/(10^9)").numeric().toString());
@@ -816,11 +822,11 @@ public class ExpressionTest {
             Assert.assertEquals("0.3333333333333333", Expression.valueOf("1/3").numeric().toString());
 
             me.setScienceNotation(true);
-            Assert.assertEquals("333.33333E-3", Expression.valueOf("1/3").numeric().toString());
+            Assert.assertEquals("0.3333333333333333", Expression.valueOf("1/3").numeric().toString());
 
             me.setRoundResult(true);
             me.setPrecision(10);
-            Assert.assertEquals("333.33333E-3", Expression.valueOf("1/3").numeric().toString());
+            Assert.assertEquals("0.3333333333", Expression.valueOf("1/3").numeric().toString());
 
             me.setScienceNotation(false);
             me.setRoundResult(true);