diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ebaa1fa3a0e79eb52d07dbd05aea5bdc159bc25..01e67dd65500928bdfc1afb7e34617fb5e688fd4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,11 +31,6 @@ if(CMAKE_BUILD_TYPE MATCHES DEBUG)
   set(CMAKE_VERBOSE_MAKEFILE ON)
 endif()
 
-# Processing user variables
-if (WITH_TIME_PROFILING)
-    add_definitions(-DTIME_PROFILING)
-endif()
-
 # C & CXX compilers
 if (WIN32)
   set (CMAKE_C_COMPILER gcc)
@@ -52,6 +47,19 @@ file(APPEND compilers.env "export CC=${CMAKE_C_COMPILER}\n")
 set(SRC_DIR src)
 set(PROJECT_BINARY_DIR build)
 
+#-------------------------#
+# Find external libraries #
+#-------------------------#
+set(Boost_USE_MULTITHREADED ON)
+find_package(Boost REQUIRED COMPONENTS serialization random)
+if(Boost_FOUND)
+    message("Boost INCLUDE DIR: ${Boost_INCLUDE_DIRS}")
+    message("Boost LIB DIR: ${Boost_LIBRARY_DIRS}")
+    include_directories(${Boost_INCLUDE_DIRS})
+endif()
+
+#find_package(exprt) #TODO write FindExprt.cmake script
+
 #--------------------#
 # Building libraries #
 #--------------------#
@@ -63,9 +71,9 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY bin)
 add_subdirectory(${SRC_DIR} ${PROJECT_BINARY_DIR})
 
 
-message ("Current directory:" ${PWD})
+message ("Current directory:" ${CMAKE_CURRENT_SOURCE_DIR})
 message ("SRC_DIR: " ${SRC_DIR})
-message ("BUILD_DIR:" ${BUILD_DIR})
+message ("BUILD_DIR:" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
 
 if (WIN32)
 	message ("Windows")
@@ -73,8 +81,13 @@ else ()
     message ("Not Windows")
 endif ()
 
-#find_package(Boost COMPONENTS unit_test_framework REQUIRED)
-IF (Boost_FOUND)
-    message("Boost DIR: " ${Boost_INCLUDE_DIR})
-    include_directories(${Boost_INCLUDE_DIR})
+#TODO implement to utilize a maximum number of threads for OpenMP
+include(ProcessorCount)
+ProcessorCount(n_cores)
+if(NOT n_cores EQUAL 0)
+    message("Build will be performed on ${n_cores} cores.")
+    set(CTEST_BUILD_FLAGS -j${N})
+    set(ENV{N_CORES} ${N})
+    set(ctest_test_args ${ctest_test_args} PARALLEL_LEVEL ${N})
 endif()
+
diff --git a/build.sh b/build.sh
index ccf7c9ea7a03acef699b2e3f514c9d0b2fb9d82d..067025c2252b1279cf7d03801054724840ac4f2a 100755
--- a/build.sh
+++ b/build.sh
@@ -9,67 +9,10 @@
 # FORTRAN_COMPILER=gfortran
 # Build type (Release/Debug)
 BUILD_TYPE=Debug
-
-# Turn of/off time profiling (1/0)
-WITH_TIME_PROFILIN=1
-
-CPP_COMPILER=g++
-#--------------#----------------------------------------------------------
-# Library path #
-#--------------#
-
-MAKEFILE_TYPE=""
-LIB_PATH="$PWD/build/lib"
-#LIB_PATH_WIN="$CD\\build\\lib"
-
-echo ${LIB_PATH}
-#echo ${LIB_PATH_WIN}
-
-case `uname -s` in
-
-  Darwin)
-    echo 'OS X is not supported yet...'
-    exit -1
-    ;;
-    	
-  Linux)
-    MAKEFILE_TYPE="Unix Makefiles"
-    if [[ ${LD_LIBRARY_PATH} != *${LIB_PATH}* ]]; then
-      export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${LIB_PATH} 
-    fi
-    ;;
-    
-  CYGWIN*)
-    MAKEFILE_TYPE="Unix Makefiles"
-#    if [[ ${PATH} != *${LIB_PATH_WIN}* ]]; then
-#      export PATH=${PATH};${LIB_PATH_WIN}
-#    fi
-    ;;
-    
-  MINGW*)
-  	MAKEFILE_TYPE="MinGW Makefiles"
-#  	 if [[ ${PATH} != *${LIB_PATH_WIN}* ]]; then
-#      export PATH=${PATH};${LIB_PATH_WIN}
-#    fi
-    ;;
-    
-  MSYS*)
-    MAKEFILE_TYPE="MSYS Makefiles"
-    echo ${MAKEFILE_TYPE}
-#    if [[ ${PATH} != *${LIB_PATH_WIN}* ]]; then
-#      export PATH=${PATH};${LIB_PATH_WIN}
-#    fi
-    ;;
-    
-  *)
-    echo "Your makefile generator `uname -s` is not yet supported. Please, write an issue to https://code.it4i.cz/moldyn/4Neuro" 
-    exit -1
-    ;;   
-  	  
-esac
-#-------------------------------------------------------------------------
+CXX_COMPILER="g++-8"
 
 rm -rf build CMakeCache.txt;
-cmake -G "${MAKEFILE_TYPE}" -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DWITH_TIME_PROFILING:BOOLEAN=${WITH_TIME_PROFILING} .
-make VERBOSE=1 && echo "Build complete." || exit -1;
+#cmake -G "${MAKEFILE_TYPE}" -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_CXX_COMPILER=g++-8 .
+cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_CXX_COMPILER=${CXX_COMPILER} .
+make VERBOSE=1 -j ${N_CORES} && echo "Build complete." || exit -1;
 #make install;
diff --git a/src/exprtk.cpp b/src/exprtk.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d8e2f9ab3e8b821257d8f1e04c10e00b6a124616
--- /dev/null
+++ b/src/exprtk.cpp
@@ -0,0 +1,4 @@
+//
+// Created by martin on 8/8/18.
+//
+