Amount of Upgrades?

is there a way to keep track of how many upgrades youve bought?

so this is what i did but i didnt work.

code:

using UnityEngine;
using System.Collections;

public class UpgradeManger : MonoBehaviour {

 public RPB click;
 public UnityEngine.UI.Text itemInfo;
 public UnityEngine.UI.Text items;
 public float cost;
 public int count = 0;
 public int clickPower;
 public string itemName;
 private float _newCost;
 [SerializeField] private float currentAmount;
 [SerializeField] private float speed;

 void Update() {
  itemInfo.text = "

$" + cost;
if (count > 24) {
speed = 50;
}
items.text = count;
}

 public void PurchasedUpgrade() {
  if (click.money >= cost) {
   click.money -= cost;
   count += 1;
   click.moneyperclick += clickPower;
   cost = Mathf.Round (cost * 1.05f);
   _newCost = Mathf.Pow (cost, _newCost = cost);
  }
  if (count > 24) {
   speed = 50;
  }
 }
}

error: Assets/UpgradeManger.cs(22,23): error CS0029: Cannot implicitly convert type int' to string’
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This error appear just because you are missing a cast. C# cannot affect a integer into a string without you telling him to. But he can add them like in your line 18.

Just change line 22 by

items.text = count.ToString();

or

items.text = ""+count;

And thats because of the way integer et chararcters are stored in memory. integer are stored as they are so 10 => 10 but characters (each letters of a String) are stored in ascii the letter ‘A’ = 65.
So for him to have a string that say ‘10’ you need to tell him that you got 2 letters, one is 49 (‘1’) and the next if 48 (‘0’).

Hope this helped you understand.