function docalc() {
    var deck = $('#ndeck').val();
    var copies = $('#ncopies').val();
    var drawn = $('#ndrawn').val();
    var successes = $('#nsuccesses').val();
    var hyperGeoOutput = '<p>';

    //Chance to draw x or more cards
    if (successes > 0)
        pral = 1 - hyp(successes - 1, drawn, copies, deck);
    else
        pral = 1;
    if (pral < 1e-6)
        pral = 0;
    pral = (100 * pral).toPrecision(3) + '%'
    hyperGeoOutput += '<b>Chance to draw ' + successes + ' or more of the wanted card ' + pral + '</b><br>';

    //Chance to draw x cards
    if (successes > 0) {
        pr = hyp(successes, drawn, copies, deck) - hyp(successes - 1, drawn, copies, deck);
    }
    else
        pr = hyp(0, drawn, copies, deck);
    if (pr < 1e-6)
        pr = 0;
    pr = (100 * pr).toPrecision(3) + '%';
    hyperGeoOutput += 'Chance to draw exactly ' + successes + ' of the wanted card <b>' + pr + '</b><br>';

    //Chance to draw x or less cards
    pram = hyp(successes, drawn, copies, deck);
    if (pram < 1e-6)
        pram = 0;
    pram = (100 * pram).toPrecision(3) + '%';
    hyperGeoOutput += 'Chance to draw ' + successes + ' or less of the wanted card <b>' + pram + '</b><br>';

    //Chance to draw 0 cards
    zero = hyp(0, drawn, copies, deck);
    if (zero < 1e-6)
        zero = 0;
    zero = (100 * zero).toPrecision(3) + '%';
    hyperGeoOutput += 'Chance to draw 0 of the wanted card <b>' + zero + '</b></p>';

    $('#hyperGeoOutput').html(hyperGeoOutput);
}