diff --git a/README.md b/README.md
deleted file mode 100644
index 1e192cb..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# computer
-
diff --git a/computer.java b/computer.java
index 5555321..c6dfb8f 100644
--- a/computer.java
+++ b/computer.java
@@ -33,7 +33,35 @@ public class computer {
         return decimal;
     }
 
+    // 将十进制数转换为任意进制数  
+    public static String fromDecimal(int decimal, int base) {
+        if (base < 2 || base > 16) {
+            throw new IllegalArgumentException("Base must be between 2 and 16");
+        }
+
+        StringBuilder number = new StringBuilder();
+
+        // 当十进制数大于0时，持续转换  
+        while (decimal > 0) {
+            int remainder = decimal % base;
+            char digit;
 
+            // 处理0-9  
+            if (remainder < 10) {
+                digit = (char) ('0' + remainder);
+            }
+            // 处理10-15（A-F）  
+            else {
+                digit = (char) ('A' + (remainder - 10));
+            }
+
+            number.insert(0, digit); // 在字符串的开头插入新的字符  
+            decimal /= base; // 更新十进制数，去掉已转换的部分  
+        }
+
+        // 如果转换后的字符串为空（即输入的十进制数为0），则返回"0"  
+        return number.length() == 0 ? "0" : number.toString();
+    }
 
     public static void main(String[] args) {
         Scanner scanner = new Scanner(System.in);