diff --git a/requirements.txt b/requirements.txt
index f8a30022ef8b5441d514f905cba497fd6d2f5863..7d5e47a832fe0230035ecd6dab03effa1a5184b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,4 +42,6 @@ vermanager>=0.1.3
 send2trash>=1.5.0
 pytest
 PyQtWebEngine
-sympy
\ No newline at end of file
+sympy
+latexify_py
+handcalcs
\ No newline at end of file
diff --git a/requirements_linux.txt b/requirements_linux.txt
index 5cf9cdd54c0094e3714391b31cd82487ae0c90f6..e213cbc791cdf6915ed897fb18bd01247b5945ba 100644
--- a/requirements_linux.txt
+++ b/requirements_linux.txt
@@ -41,3 +41,6 @@ vermanager>=0.1.3
 send2trash>=1.5.0
 pytest
 PyQtWebEngine
+sympy
+latexify_py
+handcalcs
\ No newline at end of file
diff --git a/requirements_mac.txt b/requirements_mac.txt
index 209828ece946116819cf495afb4d68c811052bce..7d5e47a832fe0230035ecd6dab03effa1a5184b4 100644
--- a/requirements_mac.txt
+++ b/requirements_mac.txt
@@ -41,4 +41,7 @@ configparser
 vermanager>=0.1.3
 send2trash>=1.5.0
 pytest
-PyQtWebEngine
\ No newline at end of file
+PyQtWebEngine
+sympy
+latexify_py
+handcalcs
\ No newline at end of file