function alcCalc() {
    let skill = parseFloat(document.getElementById('alc-skill').value);
    let intel = parseFloat(document.getElementById('alc-int').value);
    let mortar = parseFloat(document.getElementById('alc-mortar').value);
    let alembic = parseFloat(document.getElementById('alc-alembic').value);
    let calcinator = parseFloat(document.getElementById('alc-calcinator').value);
    let retort = parseFloat(document.getElementById('alc-retort').value);
    let potency = parseFloat(document.getElementById('alc-potency').value);
    let cost = parseFloat(document.getElementById('alc-cost').value);
    let output = document.getElementById('alc-output');
    let magnitude = Math.floor(((skill * 2.0) + (intel / 4.0) + mortar + alembic + potency) / cost);
    let duration = Math.floor(((skill * 2.0) + (intel / 4.0) + calcinator + retort + potency)/4.0);
    output.innerHTML = "Magnitude: <b>" + magnitude.toString() + "</b> Duration: <b>" + duration.toString() + "</b>";
}

function spellCalc() {
    let magnitude = parseFloat(document.getElementById('spell-magnitude').value);
    let duration = parseFloat(document.getElementById('spell-duration').value);
    let area = parseFloat(document.getElementById('spell-area').value);
    let ranged = document.getElementById('spell-ranged').checked;
    let cost = parseFloat(document.getElementById('spell-cost').value);
    let output = document.getElementById('spell-output');
    var mod = 60.0;
    if (ranged) mod = 48.0;
    let spellCost = ( (((magnitude * duration) + area) * cost) / mod );
    let difficulty = 20 + (Math.ceil(spellCost) * 2);
    output.innerHTML = "Cost: <b>"+spellCost+(Math.ceil(spellCost)!=spellCost?" ("+Math.ceil(spellCost)+")":"")+"</b> Difficulty: <b>"+difficulty+"</b>";
}