$(function() {
$("#n1").draggable({revert: "invalid", helper:"clone"});
$("#memoria").droppable({activeClass:"#n1", drop:function(event, ui){$("#memoria").html($("#n1").html());}});
$("#memoria").draggable({revert: "invalid", helper:"clone"});
$("#n1").droppable({activeClass:"#memoria", drop:function(event, ui){$("#n1").html($("#memoria").html());}});
$("#n1").on("click",
function(){ $("#n1").html("");}
);
$("#cuadrado").on("click",
function() {
var num = $("#n1");
num.html(num.html() * num.html());}
);
$("#inverso").on("click",
function() {
var num = $("#n1");
num.html(1 / num.html());}
);
$("#raiz").on("click",
function() {
var num = $("#n1");
num.html(Math.sqrt(num.html()));}
);
$("#entero").on("click",
function() {
var num = $("#n1");
if (num.html() > 0) { num.html(Math.floor (num.html()));}
else {num.html(-Math.ceil (num.html()));};
}
);
$("#potdos").on("click",
function() {
var num = $("#n1");
num.html(Math.pow(2, +num.html()));}
);
$("#factorial").on("click",
function() {
var num = $("#n1");
var numero = +num.html()
var factorial = 1;
while ( numero!=0) {
factorial = factorial * numero;
numero--;
};
num.html(factorial);}
);
$("#mas").on("click",
function() {
var num = $("#n1");
acc = num.html(); op = "+";}
);
$("#menos").on("click",
function() {
var num = $("#n1");
acc = num.html(); op = "-";}
);
$("#multiplicar").on("click",
function() {
var num = $("#n1");
acc = num.html(); op = "*";}
);
$("#dividir").on("click",
function() {
var num = $("#n1");
acc = num.html(); op = ":";}
);
$("#potencia").on("click",
function() {
var num = $("#n1");
acc = num.html(); op = "x^y";}
);
$("#calcular").on("click",
function() {
var num = $("#n1");
if (op === "+") {num.html(+acc + +num.html());};
if (op === "-") {num.html(+acc - +num.html());};
if (op === "*") {num.html(+acc * +num.html());};
if (op === ":") {num.html(+acc / +num.html());};
if (op === "x^y") {num.html(Math.pow (+acc, +num.html()));};
}
);
$("#sumatorio").on("click",
function() {
var num = $("#n1");
var lista = num.html().split(",");
for (var i=0, acc=0; i
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