diff --git a/handbooks/school-handbook.html b/handbooks/school-handbook.html
index ef18304..f4b98f3 100644
--- a/handbooks/school-handbook.html
+++ b/handbooks/school-handbook.html
@@ -2,7 +2,7 @@
 title: School Handbook
 description: 
 published: true
-date: 2025-02-27T01:11:54.871Z
+date: 2025-03-12T01:47:38.255Z
 tags: 
 editor: ckeditor
 dateCreated: 2023-09-22T06:45:47.071Z
@@ -337,7 +337,7 @@ dateCreated: 2023-09-22T06:45:47.071Z
   <li>Scissors</li>
   <li>Glue stick</li>
   <li>Whiteout or correction tape</li>
-  <li>Calculator &nbsp; *Recommended by the math department: LINK*</li>
+  <li>Scientific Calculator (for students enrolled in algebra 2 or higher level math)&nbsp;<br>*Strongly recommended by the math department: <a href="https://s.lazada.co.th/s.F91R7">Casio fx-300ES Plus or fx-350ES Plus</a>*</li>
   <li>Graph paper</li>
   <li>Compass and Protractor (Geometry students only)</li>
   <li>Other items specific to the class as announced by teachers</li>