diff --git a/README.md b/README.md
index e11f80f..942468e 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ SHA256 digest for DFA: 1FC8D030D576C33F1B5DEB27E17534946209BC148D57A1357CA025ED1
 
 [Documentation for DFA](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/dfa.md "Documentation for DFA")
 
-- **macroArray**\[0.7\], implementation of an array concept in a macrolanguage, e.g. 
+- **macroArray**\[0.8\], implementation of an array concept in a macrolanguage, e.g. 
 ```
   %array(ABC[17] (111:127), macarray=Y); 
   
@@ -135,12 +135,12 @@ SHA256 digest for DFA: 1FC8D030D576C33F1B5DEB27E17534946209BC148D57A1357CA025ED1
       which = 1:H:2
   );
 ```
-SHA256 digest for macroArray: 0F1B985E2FC34C91D2A3BD237DC294502A76913B71266D76702A5E77A78C9CA7
+SHA256 digest for macroArray: AC3AD58AFBBE459616743DC6346330BD8DD33FBA8CDD595423F181B67D0475BC
 
 [Documentation for macroArray](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/macroarray.md "Documentation for macroArray")
 
 
-- **BasePlus**\[0.99\] adds a bunch of functionalities I am missing in BASE SAS, such as:
+- **BasePlus**\[0.991\] adds a bunch of functionalities I am missing in BASE SAS, such as:
 ```
 call arrMissToRight(myArray); 
 call arrFillMiss(17, myArray); 
@@ -154,7 +154,7 @@ format x bool.;
 
 %put %getVars(sashelp.class, pattern = ght$, sep = +, varRange = _numeric_);
 ```
-SHA256 digest for BasePlus: 7933E6BCFDCA7C04EAAC537773574799759007A5D2AED639E86CF4EA631F1351
+SHA256 digest for BasePlus: 9EA40F72191D1916189F043315CA519F6E42CEB05C186F7653AE464D21D21CFB
 
 [Documentation for BasePlus](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/baseplus.md "Documentation for BasePlus")
 
diff --git a/packages/README.md b/packages/README.md
index e2d3a10..68a2181 100644
--- a/packages/README.md
+++ b/packages/README.md
@@ -65,7 +65,7 @@ SHA256 digest for DFA: 1FC8D030D576C33F1B5DEB27E17534946209BC148D57A1357CA025ED1
 
 ---
 
-- **macroArray**\[0.7\], implementation of an array concept in a macro language, e.g. 
+- **macroArray**\[0.8\], implementation of an array concept in a macro language, e.g. 
 ```
   %array(ABC[17] (111:127), macarray=Y); 
   
@@ -84,13 +84,13 @@ SHA256 digest for DFA: 1FC8D030D576C33F1B5DEB27E17534946209BC148D57A1357CA025ED1
       which = 1:H:2
   );
 ```
-SHA256 digest for macroArray: 0F1B985E2FC34C91D2A3BD237DC294502A76913B71266D76702A5E77A78C9CA7
+SHA256 digest for macroArray: AC3AD58AFBBE459616743DC6346330BD8DD33FBA8CDD595423F181B67D0475BC
 
 [Documentation for macroArray](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/macroarray.md "Documentation for macroArray")
 
 ---
 
-- **BasePlus**\[0.99\] adds a bunch of functionalities I am missing in BASE SAS, such as: 
+- **BasePlus**\[0.991\] adds a bunch of functionalities I am missing in BASE SAS, such as: 
 ```
 call arrMissToRight(myArray); 
 call arrFillMiss(17, myArray); 
@@ -104,7 +104,7 @@ format x bool.;
 
 %put %getVars(sashelp.class, pattern = ght$, sep = +, varRange = _numeric_);
 ```
-SHA256 digest for BasePlus: 7933E6BCFDCA7C04EAAC537773574799759007A5D2AED639E86CF4EA631F1351
+SHA256 digest for BasePlus: 9EA40F72191D1916189F043315CA519F6E42CEB05C186F7653AE464D21D21CFB
 
 [Documentation for BasePlus](https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/baseplus.md "Documentation for BasePlus")
 
diff --git a/packages/SHA256_for_packages.txt b/packages/SHA256_for_packages.txt
index 1a8208a..da870e5 100644
--- a/packages/SHA256_for_packages.txt
+++ b/packages/SHA256_for_packages.txt
@@ -1,3 +1,7 @@
+/* 20201207 */
+macroArray: AC3AD58AFBBE459616743DC6346330BD8DD33FBA8CDD595423F181B67D0475BC
+BasePlus: 9EA40F72191D1916189F043315CA519F6E42CEB05C186F7653AE464D21D21CFB
+
 /* 20201202 */
 BasePlus: 7933E6BCFDCA7C04EAAC537773574799759007A5D2AED639E86CF4EA631F1351
 
diff --git a/packages/macroarray.md b/packages/macroarray.md
index 353b258..f319d5b 100644
--- a/packages/macroarray.md
+++ b/packages/macroarray.md
@@ -14,7 +14,7 @@
 
 ---
 
-# The macroArray package [ver. 0.7] <a name="macroarray-package"></a> ###############################################
+# The macroArray package [ver. 0.8] <a name="macroarray-package"></a> ###############################################
 
 The **macroArray** package implements a macro array facility:
 - `%array()`,
@@ -24,6 +24,7 @@ The **macroArray** package implements a macro array facility:
 - `%concatarrays()`,
 - `%appendcell()`,
 - `%mcHashTable()`,
+- `%zipArrays()`,
 - etc.
 
 The set of macros, which emulates classic
@@ -66,7 +67,7 @@ Required SAS Components:
 *SAS package generated by generatePackage, version 20201115.*
 
 The SHA256 hash digest for package macroArray: 
-`0F1B985E2FC34C91D2A3BD237DC294502A76913B71266D76702A5E77A78C9CA7`
+`AC3AD58AFBBE459616743DC6346330BD8DD33FBA8CDD595423F181B67D0475BC`
 
 ---
 # Content description ############################################################################################
diff --git a/packages/macroarray.zip b/packages/macroarray.zip
index fa3364c..b87a11a 100644
Binary files a/packages/macroarray.zip and b/packages/macroarray.zip differ