FastCalc.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.Pane?>
<?import javafx.scene.text.Font?>

<Pane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="164.0" prefWidth="328.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.FastCalcLogic">
   <children>
      <TextField fx:id="expressionField" layoutX="15.0" layoutY="22.0" onAction="#calculate" prefHeight="25.0" prefWidth="298.0" promptText="Enter expression here" />
      <Label fx:id="answerLabel" layoutX="11.0" layoutY="82.0" prefHeight="39.0" prefWidth="307.0" textAlignment="CENTER">
         <font>
            <Font size="27.0" />
         </font>
      </Label>
      <Button layoutX="273.0" layoutY="125.0" mnemonicParsing="false" onAction="#close" text="Close" />
      <Button layoutX="202.0" layoutY="125.0" mnemonicParsing="false" onAction="#calculate" text="Calculate" />
   </children>
</Pane>