diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Revision history for rev-scientific
+
+## 0.1.0.0 -- 2023-06-22
+
+* First version. Released on an unsuspecting world.
+
+
diff --git a/Data/ReversedScientific.hs b/Data/ReversedScientific.hs
new file mode 100644
--- /dev/null
+++ b/Data/ReversedScientific.hs
@@ -0,0 +1,35 @@
+
+-- |
+-- Module      :  Data.ReversedScientific
+-- Copyright   :  (c) OleksandrZhabenko 2023
+-- License     :  MIT
+-- Stability   :  Experimental
+-- Maintainer  :  oleksandr.zhabenko@yahoo.com
+--
+-- Provides a function that shows the somewhat "reversed" scientific notation of the big 'Integer' number so that it is easier (more likely exact) to compare at quick glance twe numbers in such a notation by their order and values.
+
+{-# LANGUAGE NoImplicitPrelude #-}
+
+{-# OPTIONS_HADDOCK -show-extensions #-}
+
+module Data.ReversedScientific where
+
+import GHC.Base
+import GHC.Num ((-),Integer)
+import Text.Show (Show(..))
+import Data.List (length,dropWhileEnd)
+
+
+showBignum :: Int -> Integer -> String
+showBignum n x 
+  | l0 < 6 = xShow
+  | l >= n = mconcat ["e", show (l - 1), "~m", show l0, "~", k1s, ".", k2s, "...", k3s]
+  | otherwise = xShow
+      where xShow = show x
+            l = length xShow
+            k = dropWhileEnd (== '0') xShow 
+            l0 = length k
+            f (p:q:r:s:t:u:v:vs) = f (p:q:r:t:u:v:vs)
+            f (p:q:r:s:t:u:_) = ([p], [q, r], [s, t, u])
+            (k1s,k2s,k3s) = f k
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2023 Oleksandr Zhabenko
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
@@ -0,0 +1,10 @@
+ Devotion
+ ========
+
+The author would like to devote this project to support the Foundation Gastrostars
+
+If you would like to share some financial support, please, contact the foundation
+using the URL:
+
+[Contact Foundation GASTROSTARS](https://gastrostars.nl/hou-mij-op-de-hoogte)
+
diff --git a/rev-scientific.cabal b/rev-scientific.cabal
new file mode 100644
--- /dev/null
+++ b/rev-scientific.cabal
@@ -0,0 +1,34 @@
+cabal-version:      2.4
+name:               rev-scientific
+version:            0.1.0.0
+
+-- A short (one-line) description of the package.
+synopsis:           A library to provide special kind of big numbers writing. 
+
+-- A longer description of the package.
+description:        Provides a function that shows the somewhat "reversed" scientific notation of the big 'Integer' number so that it is easier (more likely exact) to compare at quick glance two numbers in such a notation by their order and values.
+
+-- A URL where users can report bugs.
+-- bug-reports:
+
+-- The license under which the package is released.
+license:            MIT
+license-file:       LICENSE
+author:             Oleksandr Zhabenko
+maintainer:         oleksandr.zhabenko@yahoo.com
+
+-- A copyright notice.
+copyright:          Oleksandr Zhabenko
+category:           Data, Math
+extra-source-files: CHANGELOG.md, README.md
+
+library
+    -- Modules included in this executable, other than Main.
+    exposed-modules:  Data.ReversedScientific
+
+    -- LANGUAGE extensions used by modules in this package.
+    other-extensions: NoImplicitPrelude
+    build-depends:    base >=4.13 && <5
+    hs-source-dirs:   .
+    default-language: Haskell2010
+