Formula

<div id="spreadsheet"></div>
<script type="text/javascript" charset="utf-8">

    $("#spreadsheet").kendoSpreadsheet();

    var spreadsheet = $("#spreadsheet").data("kendoSpreadsheet");

    var sheet = spreadsheet.activeSheet();

    sheet.range("A1").input("1000");
    sheet.range("A2").formula("A1*2");
	/* The result can be observed in the DevTools(F12) console of the browser. */
    console.log(sheet.range("A2").formula()); // "A1*2"
</script>