diff --git a/fmath1.f95 b/fmath1.f95
index d8825ab..47554b3 100644
--- a/fmath1.f95
+++ b/fmath1.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published
diff --git a/fmath2.f95 b/fmath2.f95
index 64912e1..8531aba 100644
--- a/fmath2.f95
+++ b/fmath2.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published
diff --git a/fmath3.f95 b/fmath3.f95
index 3b4459e..b587588 100644
--- a/fmath3.f95
+++ b/fmath3.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published
diff --git a/fmath4.f95 b/fmath4.f95
index ff9c1eb..d97831b 100644
--- a/fmath4.f95
+++ b/fmath4.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published
diff --git a/fmath5.f95 b/fmath5.f95
index d413c27..8b255ca 100644
--- a/fmath5.f95
+++ b/fmath5.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published
diff --git a/tfmath1.f95 b/tfmath1.f95
index 3ddba39..8db3e3d 100644
--- a/tfmath1.f95
+++ b/tfmath1.f95
@@ -4,7 +4,7 @@
 !> 
 !> =============================================================================
 !> 
-!>  Copyright (C) 2018 - 2019  Pablo Edronkin (pablo.edronkin at yahoo.com)
+!>  Copyright (C) 2018 - 2020  Pablo Edronkin (pablo.edronkin at yahoo.com)
 !> 
 !>    This program is free software: you can redistribute it and/or modify
 !>    it under the terms of the GNU Lesser General Public License as published