diff --git a/mathmech/PKGBUILD b/mathmech/PKGBUILD
index ad27d26..988890a 100644
--- a/mathmech/PKGBUILD
+++ b/mathmech/PKGBUILD
@@ -10,7 +10,7 @@ url="https://github.com/arcan1s/moldyn/mathmech"
 license=('GPL')
 depends=('qt4' 'qwt')
 makedepends=('unzip' 'cmake' 'automoc4')
-source=(https://github.com/arcan1s/moldyn/releases/download/mm-1.0.2/${pkgname}-${pkgver}-src.zip)
+source=(https://github.com/arcan1s/moldyn/releases/download/mm-${pkgver}/${pkgname}-${pkgver}-src.zip)
 md5sums=('7c80789a74255108581583830258fe1c')
 _cmakekeys="-DCMAKE_INSTALL_PREFIX=/usr
             -DQWT_INCLUDE_PATH=/usr/include/qwt
diff --git a/mathmech/mm_agl/mm_agl.pdf b/mathmech/mm_agl/mm_agl.pdf
index ab9c897..56ad0de 100644
Binary files a/mathmech/mm_agl/mm_agl.pdf and b/mathmech/mm_agl/mm_agl.pdf differ
diff --git a/mathmech/mm_envir/mm_envir.pdf b/mathmech/mm_envir/mm_envir.pdf
index 6c5bacf..6991ba6 100644
Binary files a/mathmech/mm_envir/mm_envir.pdf and b/mathmech/mm_envir/mm_envir.pdf differ
diff --git a/mathmech/mm_radf/mm_radf.pdf b/mathmech/mm_radf/mm_radf.pdf
index bc55dc3..d14f4f9 100644
Binary files a/mathmech/mm_radf/mm_radf.pdf and b/mathmech/mm_radf/mm_radf.pdf differ
diff --git a/mathmech/mm_statgen/mm_statgen.pdf b/mathmech/mm_statgen/mm_statgen.pdf
index d187794..010fdf9 100644
Binary files a/mathmech/mm_statgen/mm_statgen.pdf and b/mathmech/mm_statgen/mm_statgen.pdf differ
diff --git a/mathmech/mm_trj/mm_trj.pdf b/mathmech/mm_trj/mm_trj.pdf
index e0abb32..28b4760 100644
Binary files a/mathmech/mm_trj/mm_trj.pdf and b/mathmech/mm_trj/mm_trj.pdf differ
diff --git a/mathmech/mm_trj2pdb/mm_trj2pdb.pdf b/mathmech/mm_trj2pdb/mm_trj2pdb.pdf
index 088294f..565b6af 100644
Binary files a/mathmech/mm_trj2pdb/mm_trj2pdb.pdf and b/mathmech/mm_trj2pdb/mm_trj2pdb.pdf differ
diff --git a/mathmech/update_docs.sh b/mathmech/update_docs.sh
new file mode 100755
index 0000000..47508d8
--- /dev/null
+++ b/mathmech/update_docs.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+COMPONENTS=( mm_agl mm_envir mm_radf mm_statgen mm_trj mm_trj2pdb )
+for COMPONENT in ${COMPONENTS[*]}; do
+  cd $COMPONENT
+  doxygen $COMPONENT.doxygen
+  cp logo.png docs/latex
+  cd docs/latex && make && cd ../../../
+  mv $COMPONENT/docs/latex/refman.pdf $COMPONENT/$COMPONENT.pdf
+  rm -rf $COMPONENT/docs
+done
diff --git a/mathmech/update_ver.sh b/mathmech/update_ver.sh
new file mode 100755
index 0000000..bc85740
--- /dev/null
+++ b/mathmech/update_ver.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+func_help() {
+  echo -e "\nUsage: update_ver.sh -o OLDVER -n NEWVER"
+  echo -e "\nRequired parameters:"
+  echo -e "  -o  --oldver      - path to GIT repository"
+  echo -e "  -n  --newver      - time to sleep"
+  echo -e "\nAdditional parametrs:"
+  echo -e "  -h  --help        - show this help and exit"
+  exit 1
+}
+
+until [ -z $1 ]; do
+  if [ "$1" = "-h" ]; then
+    func_help; fi
+  if [ "$1" = "--help" ]; then
+    func_help; fi
+  if [ "$1" = "-o" ]; then
+    OLDVER="$2"
+    shift; fi
+  if [ "$1" = "--oldver" ]; then
+   OLDVER="$2"
+    shift; fi
+  if [ "$1" = "-n" ]; then
+    NEWVER="$2"
+    shift; fi
+  if [ "$1" = "--newver" ]; then
+    NEWVER="$2"
+    shift; fi
+  shift
+done
+
+if [[ -z "$OLDVER" || -z "$NEWVER" ]]; then
+  echo "Parametrs aren't set"
+  echo "Usage: update_ver.sh -o OLDVER -n NEWVER" 
+  exit 1
+fi
+
+# work block
+COMPONENTS=(mm_agl mm_envir mm_radf mm_statgen mm_trj mm_trj2pdb)
+for COMPONENT in ${COMPONENTS[*]}; do
+  sed -i "s:$OLDVER:$NEWVER:g" $COMPONENT/src/main.c
+  sed -i "s:$OLDVER:$NEWVER:g" $COMPONENT/README
+  sed -i "s:$OLDVER:$NEWVER:g" $COMPONENT/$COMPONENT.doxygen
+done
+
+COMPONENT=mathmech
+sed -i "s:$OLDVER:$NEWVER:g" $COMPONENT/src/main.cpp
+sed -i "s:$OLDVER:$NEWVER:g" $COMPONENT/README