Method fix

MathParser/src/com/aghajari/math/MathParser.java:238–273

(String src, String function, char c)

    }

    private String fix(String src, String function, char c) {
        int index;
        while ((index = src.indexOf(c)) != -1) {
            boolean applyToFirst = true, ph = false;
            int count = 0;

            for (int i = index - 1; i >= 0; i--) {
                if (i == index - 1 && src.charAt(i) == ')') {
                    ph = true;
                    count++;
                    continue;
                }
                if (ph) {
                    if (src.charAt(i) == ')') {
                        count++;
                    } else if (src.charAt(i) == '(') {
                        count--;
                    }
                    if (count != 0)
                        continue;
                    ph = false;
                }
                if (!isSpecialSign(src.charAt(i)))
                    continue;

                String sign = isSpecialSign(src.charAt(i)) ? "" : "*";
                i++;
                src = src.substring(0, i) + sign + function + "(" + src.substring(i, index) + ")" + src.substring(index + 1);
                applyToFirst = false;
                break;
            }
            if (applyToFirst)
                src = function + "(" + src.substring(0, index) + ")" + src.substring(index + 1);
        }
        return src;
    }

    /**
     * (2e+2) -> (200.0)