diff --git a/port/linux/.vscode/settings.json b/port/linux/.vscode/settings.json
index 49d9699f6..9e5724826 100644
--- a/port/linux/.vscode/settings.json
+++ b/port/linux/.vscode/settings.json
@@ -3,5 +3,6 @@
         "pikaobj.h": "c",
         "stdbool.h": "c",
         "datamemory.h": "c"
-    }
+    },
+    "python.formatting.provider": "yapf"
 }
\ No newline at end of file
diff --git a/port/linux/package/pikascript/PikaStdLib.py b/port/linux/package/pikascript/PikaStdLib.py
index 801b6d9e7..89a10b801 100644
--- a/port/linux/package/pikascript/PikaStdLib.py
+++ b/port/linux/package/pikascript/PikaStdLib.py
@@ -1,6 +1,38 @@
 from PikaObj import *
 
 
+class Math(TinyObj):
+    def plusInt(num1: int, num2: int) -> int:
+        pass
+
+    def plusFloat(num1: float, num2: float) -> float:
+        pass
+
+    def minusInt(num1: int, num2: int) -> int:
+        pass
+
+    def minusFloat(num1: float, num2: float) -> float:
+        pass
+
+    def equalInt(num1: int, num2: int) -> int:
+        pass
+
+    def equalFloat(num1: float, num2: float) -> int:
+        pass
+
+    def graterThanInt(num1: int, num2: int) -> int:
+        pass
+
+    def lessThanInt(num1: int, num2: int) -> int:
+        pass
+
+    def graterThanFloat(num1: float, num2: float) -> int:
+        pass
+
+    def lessThanFloat(num1: float, num2: float) -> int:
+        pass
+
+
 class MemChecker(BaseObj):
     def max():
         pass
@@ -13,7 +45,6 @@ class MemChecker(BaseObj):
 
 
 class SysObj(BaseObj):
-
     def type(argPath: str):
         pass
 
diff --git a/port/linux/package/pikascript/main.py b/port/linux/package/pikascript/main.py
index 2432909f6..e0e1b2818 100644
--- a/port/linux/package/pikascript/main.py
+++ b/port/linux/package/pikascript/main.py
@@ -2,6 +2,8 @@ import PikaStdLib
 import PikaStdDevice
 from PikaObj import *
 
+meth = PikaStdLib.Math()
+
 print('hello world')
 mem = PikaStdLib.MemChecker()
 print('mem.max :')
diff --git a/port/linux/package/pikascript/rust-msc-latest-linux b/port/linux/package/pikascript/rust-msc-latest-linux
index dfbba275c..20205c60a 100755
Binary files a/port/linux/package/pikascript/rust-msc-latest-linux and b/port/linux/package/pikascript/rust-msc-latest-linux differ