void pemdasProblem(int difficulty)
{
    Text input = inputObject.GetComponent<Text>();
    switch (difficulty)
    {  
            /*
                there is unshown code but it follows the same logic
            */

            // level III is PEMDAS problems
        case 3:
            // 33% of being (a[]b)²[]c[]d
            if (UnityEngine.Random.Range(0,101) > 67)
            {
                    // 50% chance of being multiplication 
                if (UnityEngine.Random.Range(0,101) > 50)
                {  
                    a = UnityEngine.Random.Range(0,13);
                    b = UnityEngine.Random.Range(0,13);
                    c = UnityEngine.Random.Range(0,13);
                    d = UnityEngine.Random.Range(0,13);
                        // 50% chance of being (a[]b)²(c)[]d
                    if(UnityEngine.Random.Range(0,101) > 50){
                            // 50% chance of being (a+b)²(c)[]d
                        if(UnityEngine.Random.Range(0,101)>50){
                                // 50% of being (a+b)²(c)+d
                            if(UnityEngine.Random.Range(0,101)>50){
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))*c+d;
                                input.text = "("+a+"+"+b+")"+"²"+"("+c+")"+"+"+d+"=";
                                Debug.Log("Problem ID: 78");
                                // 50% of being (a+b)²(c)-d
                            } else {
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))*c-d;
                                input.text = "("+a+"+"+b+")"+"²"+"("+c+")"+"-"+d+"=";
                                Debug.Log("Problem ID: 79");
                            }
                            // 50% of being (a-b)²(c)[]d
                        } else {
                            // 50% of being (a-b)²(c)+d
                            if(UnityEngine.Random.Range(0,101)>50){
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))*c+d;
                                input.text = "("+a+"-"+b+")"+"²"+"("+c+")"+"+"+d+"=";
                                Debug.Log("Problem ID: 80");
                                // 50% of being (a-b)²(c)-d
                            } else {
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))*c-d;
                                input.text = "("+a+"-"+b+")"+"²"+"("+c+")"+"-"+d+"=";
                                Debug.Log("Problem ID: 81");
                            }
                        }
                        // 50% chance of being (a[]b)²c[]*d
                    } else {
                        // 50% chance of being (a+b)²[]c(d)
                        if(UnityEngine.Random.Range(0,101)>50){
                                // 50% of being (a+b)²+c(d)
                            if(UnityEngine.Random.Range(0,101)>50){
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))+c*d;
                                input.text = "("+a+"+"+b+")"+"²"+"+"+c+"("+d+")"+"=";
                                Debug.Log("Problem ID: 82");
                                // 50% of being (a+b)²-c(d)
                            } else {
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))-c*d;
                                input.text = "("+a+"+"+b+")"+"²"+"-"+c+"("+d+")"+"=";
                                Debug.Log("Problem ID: 83");
                            }
                            // 50% of being (a-b)²[]c(d)
                        } else {
                            // 50% of being (a-b)²+c(d)
                            if(UnityEngine.Random.Range(0,101)>50){
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))+c*d;
                                input.text = "("+a+"-"+b+")"+"²"+"+"+c+"("+d+")"+"=";
                                Debug.Log("Problem ID: 84");
                                // 50% of being (a-b)²-c(d)
                            } else {
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))-c*d;
                                input.text = "("+a+"-"+b+")"+"²"+"-"+c+"("+d+")"+"=";
                                Debug.Log("Problem ID: 85");
                            }
                        }
                    }
                    //50% of being division
                } else {
                    a = UnityEngine.Random.Range(0,13);
                    b = UnityEngine.Random.Range(0,13);
                    c = UnityEngine.Random.Range(0,13);
                    d = UnityEngine.Random.Range(0,13);
                         // 50% chance of being (a[]b)²/(c)[]d
                    if(UnityEngine.Random.Range(0,101) > 50){
                            // 50% chance of being (a+b)²/(c)[]d
                        if(UnityEngine.Random.Range(0,101)>50){
                                // 50% of being (a+b)²/(c)+d
                            if(UnityEngine.Random.Range(0,101)>50){
                                divisionQuickLoop(14);
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))/c+d;
                                input.text = "("+a+"+"+b+")"+"²"+"/"+"("+c+")"+"+"+d+"=";
                                Debug.Log("Problem ID: 86");
                                // 50% of being (a+b)²/(c)-d
                            } else {
                                divisionQuickLoop(14);
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))*c-d;
                                input.text = "("+a+"+"+b+")"+"²"+"/"+"("+c+")"+"-"+d+"=";
                                Debug.Log("Problem ID: 87");
                            }
                            // 50% of being (a-b)²/(c)[]d
                        } else {
                            // 50% of being (a-b)²/(c)+d
                            if(UnityEngine.Random.Range(0,101)>50){
                                divisionQuickLoop(15);
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))/c+d;
                                input.text = "("+a+"-"+b+")"+"²"+"/"+"("+c+")"+"+"+d+"=";
                                Debug.Log("Problem ID: 88");
                                // 50% of being (a-b)²/(c)-d
                            } else {
                                divisionQuickLoop(15);
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))/c-d;
                                input.text = "("+a+"-"+b+")"+"²"+"/"+"("+c+")"+"-"+d+"=";
                                Debug.Log("Problem ID: 89");
                            }
                        }
                        // 50% chance of being (a[]b)²[]c/(d)
                    } else {
                        // 50% chance of being (a+b)²[]c/(d)
                        if(UnityEngine.Random.Range(0,101)>50){
                                // 50% of being (a+b)²+c/(d)
                            if(UnityEngine.Random.Range(0,101)>50){
                                divisionQuickLoop(3);
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))+c/d;
                                input.text = "("+a+"+"+b+")"+"²"+"+"+c+"/"+"("+d+")"+"=";
                                Debug.Log("Problem ID: 90");
                                // 50% of being (a+b)²-c/(d)
                            } else {
                                divisionQuickLoop(3);
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))-c/d;
                                input.text = "("+a+"+"+b+")"+"²"+"-"+c+"/"+"("+d+")"+"=";
                                Debug.Log("Problem ID: 91");
                            }
                            // 50% of being (a-b)²[]c/(d)
                        } else {
                            // 50% of being (a-b)²+c/(d)
                            if(UnityEngine.Random.Range(0,101)>50){
                                divisionQuickLoop(3);
                                ans = ((int) Mathf.Pow((float) a- (float) b, 2))+c/d;
                                input.text = "("+a+"-"+b+")"+"²"+"+"+c+"/"+"("+d+")"+"=";
                                Debug.Log("Problem ID: 92");
                                // 50% of being (a-b)²-c/(d)
                            } else {
                                divisionQuickLoop(3);
                                ans = ((int) Mathf.Pow((float) a+ (float) b, 2))-c/d;
                                input.text = "("+a+"-"+b+")"+"²"+"-"+c+"/"+"("+d+")"+"=";
                                Debug.Log("Problem ID: 93");
                            }
                        }
                    }
                }
            }
            // 33% of being a[](b[]c)²[]d 
            else if (UnityEngine.Random.Range(0,101) > 33)
            { // code not shown }
            // 33% of being a[]b[](c[]d)² 
            else 
            { //code not show }
              
            break;
    }
}