Remove parentheses if weight == 1

	weight = parseFloat(weight.toPrecision(12));

	if(String(weight).length == 1) weight += ".0"

    if (closeCharacter == ')' && weight == 1) {

        text = text.slice(0, selectionStart - 1) + text.slice(selectionStart, selectionEnd) + text.slice(selectionEnd + 5);

        selectionStart--;

        selectionEnd--;

    } else {

        text = text.slice(0, selectionEnd + 1) + weight + text.slice(selectionEnd + 1 + end - 1);

    }

	target.focus();

	target.value = text;