Qt Quick Demo - Calqlatr

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import QtQuick 2.0

Grid {
    columns: 3
    columnSpacing: 32
    rowSpacing: 16

    signal buttonPressed

    Button { text: "7" }
    Button { text: "8" }
    Button { text: "9" }
    Button { text: "4" }
    Button { text: "5" }
    Button { text: "6" }
    Button { text: "1" }
    Button { text: "2" }
    Button { text: "3" }
    Button { text: "0" }
    Button { text: "."; dimmable: true }
    Button { text: " " }
    Button { text: "±"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "−"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "+"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "√"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "÷"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "×"; color: "#6da43d"; operator: true; dimmable: true }
    Button { text: "C"; color: "#6da43d"; operator: true }
    Button { text: " "; color: "#6da43d"; operator: true }
    Button { text: "="; color: "#6da43d"; operator: true; dimmable: true }
}