README.md

@@ -0,0 +1,2 @@
+# jisuanqi
+

Test.java

@@ -0,0 +1,4 @@
+public class Test {
+
+
+}

jsq.html

@@ -26,7 +26,7 @@
             width: 100%;
             height: 50px;
             margin-bottom: 10px;
-            padding: 10px;
+            padding: 0px;
             font-size: 24px;
             text-align: right;
             border: none;
@@ -81,6 +81,8 @@
         <button onclick="appendNumber('.')">.</button>
         <button onclick="compute()">=</button>
         <button onclick="chooseOperation('+')">+</button>
+        <button onclick="chooseOperation('%')">%</button>
+        <button onclick="appendNumber('-')">±</button>
     </div>
 </div>
 
@@ -93,6 +95,7 @@
 
     function appendNumber(number) {
         if (number === '.' && currentOperand.includes('.')) return;
+        if (number === '-' && currentOperand.length > 0) return; // 防止在数字中间添加负号
         currentOperand += number;
         updateDisplay();
     }
@@ -125,6 +128,9 @@
             case '/':
                 computation = prev / current;
                 break;
+            case '%':
+                computation = prev % current;
+                break;
             default:
                 return;
         }