function compute(forma){
var vol=0
var mola=0
var tem=0
var pres=0

vol=(eval(forma.mola.value)*8.314*eval(forma.tem.value)/eval(forma.pres.value))
forma.vol.value=vol
forma.edita.value="("+forma.mola.value+"x 8.314 x"+forma.tem.value+"/"+forma.pres.value+")"
}
function calculate(formb){
var volb=0
var molb=0
var temb=0
var presb=0

presb=(eval(formb.molb.value)*8.314*eval(formb.temb.value)/eval(formb.volb.value))
formb.presb.value=presb
formb.editb.value="("+formb.molb.value+"x 8.314 x"+formb.temb.value+"/"+formb.volb.value+")"
}
function calc(formc){
var volc=0
var molc=0
var temc=0
var presc=0

molc=([eval(formc.presc.value)*eval(formc.volc.value)]/[eval(formc.temc.value)*8.314])

formc.molc.value=molc
formc.editc.value="("+formc.presc.value+"x"+formc.volc.value+"/8.314x"+formc.temc.value+")"
}
function comp(formd){
var vold=0
var mold=0
var temd=0
var presd=0

temd=([eval(formd.presd.value)*eval(formd.vold.value)]/[eval(formd.mold.value)*8.314])

formd.temd.value=temd
formd.editd.value="("+formd.presd.value+"x"+formd.vold.value+"/8.314x"+formd.mold.value+")"
}
function clearForm(forma){
forma.mola.value="0";
forma.tem.value="0";
forma.pres.value="0";
forma.vol.value="";
forma.edita.value="";
}
function clrForm(formb){
formb.molb.value="0";
formb.temb.value="0";
formb.presb.value="0";
formb.volb.value="";
formb.editb.value="";
}
function crForm(formc){
formc.molc.value="0";
formc.temc.value="0";
formc.presc.value="0";
formc.volc.value="";
formc.editc.value="";
}
function clForm(formd){
formd.mold.value="0";
formd.temd.value="0";
formd.presd.value="0";
formd.vold.value="";
formd.editd.value="";
}