update calculator,

03_source/mobile/src/pages/DemoReactCalculator/components/Button.tsx

@@ -0,0 +1,17 @@
+import { IonCol } from '@ionic/react';
+import styles from './Button.module.scss';
+
+const Button = (props): React.JSX.Element => {
+  const { value, special, clickEvent } = props;
+
+  return (
+    <IonCol
+      className={`${special ? styles.specialButton : styles.button} animate__animated animate__faster`}
+      onClick={(e) => clickEvent(e, value)}
+    >
+      {value === '/' ? <>&divide;</> : value === '*' ? <>&times;</> : value}
+    </IonCol>
+  );
+};
+
+export default Button;