diff --git a/CMakeLists.txt b/CMakeLists.txt
index a81be35..28bb981 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,139 +1,139 @@
 cmake_minimum_required(VERSION 3.0)
 
 # KDE Application Version, managed by release script
 set (KDE_APPLICATIONS_VERSION_MAJOR "18")
 set (KDE_APPLICATIONS_VERSION_MINOR "11")
-set (KDE_APPLICATIONS_VERSION_MICRO "70")
+set (KDE_APPLICATIONS_VERSION_MICRO "80")
 set (KDE_APPLICATIONS_VERSION "${KDE_APPLICATIONS_VERSION_MAJOR}.${KDE_APPLICATIONS_VERSION_MINOR}.${KDE_APPLICATIONS_VERSION_MICRO}")
 project(kcalc VERSION ${KDE_APPLICATIONS_VERSION})
 
 set(QT_MIN_VERSION "5.9.0")
 set(KF5_VERSION "5.46.0")
 
 find_package (ECM ${KF5_VERSION} REQUIRED NO_MODULE)
 set (CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 include(ECMMarkAsTest)
 include(FeatureSummary)
 include(ECMAddAppIcon)
 include(ECMSetupVersion)
 
 ## Generate header with version number
 ecm_setup_version(${KDE_APPLICATIONS_VERSION} VARIABLE_PREFIX KCALC
                   VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kcalc_version.h"
 )
 
 find_package (Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
     Core
     Widgets
 )
 
 find_package(KF5 ${KF5_VERSION} REQUIRED COMPONENTS
     Config
     ConfigWidgets
     DocTools
     GuiAddons
     I18n
     Init
     Notifications
     XmlGui
 )
 
 add_definitions(-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
 #add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 
 set (CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" ${CMAKE_SOURCE_DIR}/cmake/modules)
 kde_enable_exceptions()
 
 find_package(GMP)
 set_package_properties(GMP PROPERTIES
     DESCRIPTION "The GNU Multiple Precision Arithmetic Library"
     URL "http://gmplib.org/"
     TYPE REQUIRED
     PURPOSE "Required for building KCalc."
 )
 
 include(CheckTypeSize)
 include(CheckIncludeFiles)
 
 check_include_files(ieeefp.h     HAVE_IEEEFP_H)
 check_type_size("signed long"    SIZEOF_SIGNED_LONG)
 check_type_size("unsigned long"  SIZEOF_UNSIGNED_LONG)
 
 configure_file(config-kcalc.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-kcalc.h )
 
 include_directories( ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/knumber ${GMP_INCLUDE_DIR} )
 
 ########### next target ###############
 # Needs absolute paths due to the test program for knumber
 set(libknumber_la_SRCS  
 	${kcalc_SOURCE_DIR}/knumber/knumber.cpp
 	${kcalc_SOURCE_DIR}/knumber/knumber_error.cpp
 	${kcalc_SOURCE_DIR}/knumber/knumber_float.cpp
 	${kcalc_SOURCE_DIR}/knumber/knumber_fraction.cpp
 	${kcalc_SOURCE_DIR}/knumber/knumber_integer.cpp
 	${kcalc_SOURCE_DIR}/knumber/knumber_operators.cpp
 )
 
 add_subdirectory( knumber )
 # add_subdirectory( tests )
 
 set(kcalc_KDEINIT_SRCS ${libknumber_la_SRCS}
    kcalc.cpp 
    bitbutton.cpp
    kcalc_bitset.cpp
    kcalc_button.cpp 
    kcalc_const_button.cpp 
    kcalc_const_menu.cpp 
    kcalc_core.cpp 
    kcalcdisplay.cpp 
    kcalc_statusbar.cpp
    stats.cpp )
 
 ki18n_wrap_ui(kcalc_KDEINIT_SRCS
    kcalc.ui
    constants.ui
    colors.ui
    fonts.ui
    general.ui)
 
 kconfig_add_kcfg_files(kcalc_KDEINIT_SRCS kcalc_settings.kcfgc )
 
 # Sets the icon on Windows and OSX
 file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/icons/*.png")
 ecm_add_app_icon(kcalc_KDEINIT_SRCS ICONS ${ICONS_SRCS})
 
 kf5_add_kdeinit_executable( kcalc ${kcalc_KDEINIT_SRCS})
 
 target_link_libraries(kdeinit_kcalc
     Qt5::Core
     Qt5::Widgets
     KF5::ConfigWidgets
     KF5::GuiAddons
     KF5::I18n
     KF5::Notifications
     KF5::XmlGui
     ${GMP_LIBRARIES}
     ${MPFR_LIBRARIES}
 )
 
 install(TARGETS kdeinit_kcalc ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 
 target_link_libraries( kcalc kdeinit_kcalc )
 install(TARGETS kcalc  ${KDE_INSTALL_TARGETS_DEFAULT_ARGS} )
 
 ########### install files ###############
 
 install( PROGRAMS org.kde.kcalc.desktop  DESTINATION ${KDE_INSTALL_APPDIR})
 install( FILES org.kde.kcalc.appdata.xml   DESTINATION ${KDE_INSTALL_METAINFODIR})
 install( FILES kcalc.kcfg  DESTINATION ${KDE_INSTALL_KCFGDIR})
 install( FILES kcalcui.rc  DESTINATION ${KDE_INSTALL_KXMLGUI5DIR}/kcalc)
 install( FILES scienceconstants.xml  DESTINATION ${KDE_INSTALL_DATADIR}/kcalc)
 install( FILES kcalcrc.upd  DESTINATION ${KDE_INSTALL_DATADIR}/kconf_update)
 
 add_subdirectory(doc)
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)