<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineV01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.25" />
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineV02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.5" />
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineV03"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.75" />
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.28"/>
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.4"/>
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH03"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.52"/>
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH04"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.64"/>
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH05"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.76"/>
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineH06"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.88"/>

    <Button
        android:id="@+id/buttonCE"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="CE"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV02"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH02"
        app:layout_constraintTop_toTopOf="@id/guidelineH01"
        />
    <Button
        android:id="@+id/buttonX"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="X"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH02"
        app:layout_constraintTop_toTopOf="@id/guidelineH01"
        />
    <Button
        android:id="@+id/buttonDziel"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="/"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV03"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH02"
        app:layout_constraintTop_toTopOf="@id/guidelineH01"
        />
    <Button
        android:id="@+id/buttonPercent"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="%"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV01"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH03"
        app:layout_constraintTop_toTopOf="@id/guidelineH02"
        />
    <Button
    android:id="@+id/buttonSQRT"
    android:layout_width="0dp"
    android:layout_height="0dp"
        android:text="SQRT"
        android:textSize="10pt"
    app:layout_constraintLeft_toLeftOf="@id/guidelineV01"
    app:layout_constraintRight_toRightOf="@id/guidelineV02"
    app:layout_constraintBottom_toBottomOf="@id/guidelineH03"
    app:layout_constraintTop_toTopOf="@id/guidelineH02"
    />
    <Button
        android:id="@+id/buttonSYR"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="syr"
        android:textSize="10pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH03"
        app:layout_constraintTop_toTopOf="@id/guidelineH02"
        />
    <Button
        android:id="@+id/buttonMnoz"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="*"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV03"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH03"
        app:layout_constraintTop_toTopOf="@id/guidelineH02"
        />
    <Button
        android:id="@+id/button7"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="7"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV01"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH04"
        app:layout_constraintTop_toTopOf="@id/guidelineH03"
        />
    <Button
        android:id="@+id/button8"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="8"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV01"
        app:layout_constraintRight_toRightOf="@id/guidelineV02"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH04"
        app:layout_constraintTop_toTopOf="@id/guidelineH03"
        />
    <Button
        android:id="@+id/button9"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="9"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH04"
        app:layout_constraintTop_toTopOf="@id/guidelineH03"
        />
    <Button
        android:id="@+id/buttonMinus"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="-"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV03"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH04"
        app:layout_constraintTop_toTopOf="@id/guidelineH03"
        />
    <Button
        android:id="@+id/button4"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="4"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV01"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH05"
        app:layout_constraintTop_toTopOf="@id/guidelineH04"
        />
    <Button
        android:id="@+id/button5"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="5"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV01"
        app:layout_constraintRight_toRightOf="@id/guidelineV02"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH05"
        app:layout_constraintTop_toTopOf="@id/guidelineH04"
        />
    <Button
        android:id="@+id/button6"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="6"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH05"
        app:layout_constraintTop_toTopOf="@id/guidelineH04"
        />
    <Button
        android:id="@+id/buttonPlus"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="+"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV03"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH05"
        app:layout_constraintTop_toTopOf="@id/guidelineH04"
        />
    <Button
        android:id="@+id/button1"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="1"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV01"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH06"
        app:layout_constraintTop_toTopOf="@id/guidelineH05"
        />
    <Button
        android:id="@+id/button2"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="2"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV01"
        app:layout_constraintRight_toRightOf="@id/guidelineV02"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH06"
        app:layout_constraintTop_toTopOf="@id/guidelineH05"
        />
    <Button
        android:id="@+id/button3"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="3"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH06"
        app:layout_constraintTop_toTopOf="@id/guidelineH05"
        />
    <Button
        android:id="@+id/buttonWynik"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="="
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV03"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="@id/guidelineH05"
        />
    <Button
        android:id="@+id/buttonPlusMinus"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="+/-"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guidelineV01"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="@id/guidelineH06"
        />
    <Button
        android:id="@+id/button0"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="0"
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV01"
        app:layout_constraintRight_toRightOf="@id/guidelineV02"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="@id/guidelineH06"
        />
    <Button
        android:id="@+id/buttonPrzecinek"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text=","
        android:textSize="20pt"
        app:layout_constraintLeft_toLeftOf="@id/guidelineV02"
        app:layout_constraintRight_toRightOf="@id/guidelineV03"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="@id/guidelineH06"
        />
    <TextView
        android:id="@+id/textView01"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:textAlignment="gravity"
        android:gravity="right|center"
        android:paddingRight="20dp"
        android:text="000000"
        android:textSize="30pt"
        app:layout_constraintBottom_toBottomOf="@id/guidelineH01"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        />
</androidx.constraintlayout.widget.ConstraintLayout>