rror: Input Required');
else form.input.value = Math.log(x);
}
function Root() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.sqrt(x);
}
function Tan() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.tan(x);
}
function Icos() {
x = form.input.value
if (x == '') alert('Error: Input Required');
else form.input.value = Math.acos(x);
}
function Isin() {
x = form.input.value
if (x == '') alert('Error: Input Require