1 files changed, 12 insertions, 10 deletions
diff --git a/src/org/unitConverter/converterGUI/UnitConverterGUI.java b/src/org/unitConverter/converterGUI/UnitConverterGUI.java
index 8c70df4..f7c3479 100644
--- a/src/org/unitConverter/converterGUI/UnitConverterGUI.java
+++ b/src/org/unitConverter/converterGUI/UnitConverterGUI.java
@@ -32,6 +32,7 @@ import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
+import java.util.NoSuchElementException;
 import java.util.Set;
 import java.util.function.Predicate;
 
@@ -270,14 +271,14 @@ final class UnitConverterGUI {
 			final Unit to;
 			try {
 				from = this.database.evaluateUnitExpression(fromUnitString);
-			} catch (final IllegalArgumentException e) {
+			} catch (final IllegalArgumentException | NoSuchElementException e) {
 				this.view.showErrorDialog("Parse Error",
 						"Could not recognize text in From entry: " + e.getMessage());
 				return;
 			}
 			try {
 				to = this.database.getUnitFromExpression(toUnitString);
-			} catch (final IllegalArgumentException e) {
+			} catch (final IllegalArgumentException | NoSuchElementException e) {
 				this.view.showErrorDialog("Parse Error",
 						"Could not recognize text in To entry: " + e.getMessage());
 				return;
@@ -304,9 +305,10 @@ final class UnitConverterGUI {
 				}
 				
 				final LinearUnitValue converted = from2.convertTo(to2);
-				this.view.setExpressionConverterOutputText(
-						(useSlash ? "1 / " : "") + String.format("%s = %s",
-								fromUnitString, this.getRoundedString(converted)));
+				this.view.setExpressionConverterOutputText((useSlash ? "1 / " : "")
+						+ String.format("%s = %s", fromUnitString,
+								this.getRoundedString(converted, false)));
+				final String toString = this.getRoundedString(converted, false);
 				return;
 			} else {
 				// convert to UnitValue
@@ -384,18 +386,19 @@ final class UnitConverterGUI {
 		}
 		
 		/**
-		 * Like {@link LinearUnitValue#toString(boolean)} with parameter
-		 * {@code false}, but obeys this unit converter's rounding settings.
+		 * Like {@link LinearUnitValue#toString(boolean)}, but obeys this unit
+		 * converter's rounding settings.
 		 * 
 		 * @since 2020-08-04
 		 */
-		private final String getRoundedString(final LinearUnitValue value) {
+		private final String getRoundedString(final LinearUnitValue value,
+				boolean showUncertainty) {
 			switch (this.roundingType) {
 			case DECIMAL_PLACES:
 			case SIGNIFICANT_DIGITS:
 				return this.getRoundedString(value.asUnitValue());
 			case SCIENTIFIC:
-				return value.toString(false);
+				return value.toString(showUncertainty);
 			default:
 				throw new AssertionError("Invalid switch condition.");
 			}
@@ -992,7 +995,6 @@ final class UnitConverterGUI {
 						
 						final JRadioButton relativePrecision = new JRadioButton(
 								"Scientific Precision");
-						relativePrecision.setEnabled(false);
 						relativePrecision.addActionListener(e -> this.presenter
 								.setRoundingType(RoundingType.SCIENTIFIC));
 						roundingRuleButtons.add(relativePrecision);