function debyelength(te,ne){
    return 7.44e3*Math.sqrt(te/ne);
}

function plasmafrequency(ne){
    return 56.4*Math.sqrt(ne);
}

function density(p,tg){
    return p/(1.38e-23*tg);
}

function mfp(p){
    return 6.6e-3/p
}

function plasmacalculate() {
    var te=document.plasma.te.value;
    var ne=document.plasma.ne.value;

    var debyeform=document.getElementById("debye");
    var freqform=document.getElementById("freq");

    var dl=debyelength(te,ne);
    var fr=plasmafrequency(ne);

    debyeform.innerHTML=dl.toPrecision(4);
    freqform.innerHTML=fr.toPrecision(4);

}

function gascalculate() {
    var temp=document.vacuum.temp.value;
    var pres=document.vacuum.pres.value;

    var gasdensform=document.getElementById("gasdens");
    var mfpform=document.getElementById("mfp");

    var dens=density(pres,temp);
    var m=mfp(pres);

    gasdensform.innerHTML=dens.toPrecision(4);
    mfpform.innerHTML=m.toPrecision(4);

}