acos(x);
function Isin() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.asin(x);
function Itan() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.atan(x);
function Round() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.round(x);
function Ran() {
x = form.input.value
form.input.value = Math.random(x);
function Neg () {
x = form.input.value
if (x == '') alert('Error: Input Required');
else x = parseFloat(x) * -1;
function del() {
x = form.input.value
x = (x.substring) - 1
// End -->
</script>
</HEAD>
<!-- STEP TWO: Insert the onLoad event handler into your BODY t
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