Preparation of the release 2.21.0

README.md

@@ -1,4 +1,4 @@
-[![License](https://img.shields.io/badge/license-GNU_GPLv3-orange.svg)](https://github.com/mkulesh/microMathematics/blob/master/LICENSE) [![Build Status](https://travis-ci.org/mkulesh/microMathematics.svg?branch=master)](https://travis-ci.org/mkulesh/microMathematics) [![Download unsigned APK from latest autobuild](https://img.shields.io/badge/APK-autobuild-blue.svg)](https://github.com/mkulesh/microMathematics/raw/autobuild/autobuild/microMathematics-v2.20.2-debug.apk)
+[![License](https://img.shields.io/badge/license-GNU_GPLv3-orange.svg)](https://github.com/mkulesh/microMathematics/blob/master/LICENSE) [![Build Status](https://travis-ci.org/mkulesh/microMathematics.svg?branch=master)](https://travis-ci.org/mkulesh/microMathematics) [![Download unsigned APK from latest autobuild](https://img.shields.io/badge/APK-autobuild-blue.svg)](https://github.com/mkulesh/microMathematics/raw/autobuild/autobuild/microMathematics-v2.21.0-debug.apk)
 
 # <img src="https://github.com/mkulesh/microMathematics/blob/master/images/icon.png" align="center" height="48" width="48"> "microMathematics Plus - Extended Visual Calculator"
 
@@ -43,7 +43,7 @@ For more screenshots, see directory images/screenshots.
 * [Supported Functions Overview](http://htmlpreview.github.io/?https://github.com/mkulesh/microMathematics/blob/master/doc/html/functions_overview.html)
 * [Supported Units Overview](http://htmlpreview.github.io/?https://github.com/mkulesh/microMathematics/blob/master/doc/html/units_overview.html)
 * [Supported Units Of Information](http://htmlpreview.github.io/?https://github.com/mkulesh/microMathematics/blob/master/doc/html/units_of_information.html)
-* [The latest PDF version of the User Manual](https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0.pdf)
+* [The latest PDF version of the User Manual](https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0.pdf)
 
 ## Posts on Habr (in Russian)
 

app/build.gradle

@@ -8,7 +8,7 @@ android {
         minSdkVersion 14
         targetSdkVersion 29
         versionCode 317
-        versionName "2.20.2"
+        versionName "2.21.0"
         setProperty("archivesBaseName", "microMathematics-v" + versionName)
     }
     buildTypes {

app/src/main/res/values-de/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_de/three_d_plot_de.mmt</item>
         <item>asset:/doc_de/series_and_integrals_de.mmt</item>
         <item>asset:/doc_de/about_micromath_de.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0-de.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0-de.pdf</item>
     </string-array>
     <string name="activity_example">Beispiele</string>
     <string name="activity_welcome">asset:/doc_de/welcome_de.mmt</string>

app/src/main/res/values-es/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_es/three_d_plot_es.mmt</item>
         <item>asset:/doc_es/series_and_integrals_es.mmt</item>
         <item>asset:/doc_es/about_micromath_es.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0-es.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0-es.pdf</item>
     </string-array>
     <string name="activity_example">Ejemplos</string>
     <string name="activity_welcome">asset:/doc_es/welcome_es.mmt</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_br/three_d_plot_br.mmt</item>
         <item>asset:/doc_br/series_and_integrals_br.mmt</item>
         <item>asset:/doc_br/about_micromath_br.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0-br.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0-br.pdf</item>
     </string-array>
     <string name="activity_example">Exemplo</string>
     <string name="activity_welcome">asset:/doc_br/welcome.mmt</string>

app/src/main/res/values-ru/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_ru/three_d_plot_ru.mmt</item>
         <item>asset:/doc_ru/series_and_integrals_ru.mmt</item>
         <item>asset:/doc_ru/about_micromath_ru.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0-ru.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0-ru.pdf</item>
     </string-array>
     <string name="activity_example">Примеры</string>
     <string name="activity_welcome">asset:/doc_ru/welcome_ru.mmt</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_en/three_d_plot.mmt</item>
         <item>asset:/doc_en/series_and_integrals.mmt</item>
         <item>asset:/doc_en/about_micromath.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0.pdf</item>
     </string-array>
     <string name="activity_example">示例</string>
     <string name="activity_welcome">asset:/doc_en/welcome.mmt</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_en/three_d_plot.mmt</item>
         <item>asset:/doc_en/series_and_integrals.mmt</item>
         <item>asset:/doc_en/about_micromath.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0.pdf</item>
     </string-array>
     <string name="activity_example">範例</string>
     <string name="activity_welcome">asset:/doc_en/welcome.mmt</string>

app/src/main/res/values/strings.xml

@@ -49,7 +49,7 @@
         <item>asset:/doc_en/three_d_plot.mmt</item>
         <item>asset:/doc_en/series_and_integrals.mmt</item>
         <item>asset:/doc_en/about_micromath.mmt</item>
-        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.20.0.pdf</item>
+        <item>https://docs.google.com/viewer?url=https://github.com/mkulesh/microMathematics/raw/supplement/doc/microMathematics-v2.21.0.pdf</item>
     </string-array>
     <string name="activity_example">Examples</string>
     <string name="activity_welcome">asset:/doc_en/welcome.mmt</string>

autobuild/push-apk.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-APK_VERSION=2.20.2
+APK_VERSION=2.21.0
 
 echo "Generated APK"
 pwd; ls -l ./app/build/outputs/apk

doc/function_plot.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 This example demonstrates how to

doc/function_plot_br.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Este exemplo demonstra como preparar e

doc/function_plot_de.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Dieses Beispiel demonstriert, wie man

doc/function_plot_es.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Este ejemplo demuestra cómo preparar y

doc/function_plot_ru.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Данный пример демонстрирует

doc/how_to_use.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 This app is a powerful calculation
@@ -258,14 +258,17 @@ \subsubsection{Array}
 following properties:
 
 a) array elements can be assigned
-using an index given in [ ] instead
-of ( ). Any not assigned element is 
-set by default to zero:
+using lower index instead of ''( )''. 
+To create an index, put ''['' after the 
+array name:
 \begin{center}\begin{tabular}{ccc}
-  $r[0] := 5$ &
-  $r[3] := 6$ &
-  $r[2] := -4$ \cr
+  $r_{0}  := 5$ &
+  $r_{3}  := 6$ &
+  $r_{2}  := -4$ \cr
 \end{tabular}\end{center}
+
+Any not assigned element is  set by
+default to zero:
 \begin{center}\begin{tabular}{cc}
   $idx := \left[ 0,\, 1 \,..\, 3 \right]$ &
   $r_{idx}  = \begin{bmatrix}5.0\\0.0\\-4.0\\6.0\\\end{bmatrix}$ \cr
@@ -278,23 +281,21 @@ \subsubsection{Array}
   $m := \left[ 0,\, 1 \,..\, 200 \right]$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $M[k,m] := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
+  $M_{k,\, m}  := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
 \end{tabular}\end{center}
 
 c) array elements are calculated and
 stored in memory that reduces the
 access time to these values
 
 d) array elements can be only accessed
-by using a lower index. To create
-lower index, put ''['' after the array
-name:
+by using a lower index:
 \begin{center}\begin{tabular}{cc}
   $M_{5,\, 10}  = -1.39106$ &
   $M_{10,\, 5}  = -1.92467$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $P[k,m] := floor \left( -10 \cdot M_{k,\, m} \right) $
+  $P_{k,\, m}  := floor \left( -10 \cdot M_{k,\, m} \right) $
 \end{tabular}\end{center}
 
 e) if any array index is complex or

doc/how_to_use_br.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Este app é um poderoso programa
@@ -225,29 +225,43 @@ \subsubsection{Function}
 ou outras funções embutidas ou
 previamente definidas. Para inserir um
 função entre o nome dela, toque no
-abre parênteses
- ''('' e então entre o argumento. Este
-argumento também pode ser uma fórmula,
-que contém quaisquer outras operações
-e funções.
+abre parênteses ''('' e então entre o
+argumento. Este argumento também pode
+ser uma fórmula, que contém quaisquer
+outras operações e funções.
 
 \subsubsection{Array}
 
 Arranjos são funções especiais com as
 seguintes propriedades:
 
-a) apenas um intervalo previamente
+a) elementos de arranjos podem ser
+atribuídos usando um índice inferior
+em vez de ''( )''. Para criar um índice
+menor, coloque ''['' após o nome do
+arranjo:
+\begin{center}\begin{tabular}{ccc}
+  $r_{0}  := 5$ &
+  $r_{3}  := 6$ &
+  $r_{2}  := -4$ \cr
+\end{tabular}\end{center}
+
+Qualquer elemento não atribuído é
+definido por padrão como zero:
+\begin{center}\begin{tabular}{cc}
+  $idx := \left[ 0,\, 1 \,..\, 3 \right]$ &
+  $r_{idx}  = \begin{bmatrix}5.0\\0.0\\-4.0\\6.0\\\end{bmatrix}$ \cr
+\end{tabular}\end{center}
+
+b) apenas um intervalo previamente
 definido pode ser usado como um
 argumento de arranjo:
 \begin{center}\begin{tabular}{cc}
   $k := \left[ 0,\, 1 \,..\, 100 \right]$ &
   $m := \left[ 0,\, 1 \,..\, 200 \right]$ \cr
 \end{tabular}\end{center}
-
-a) argumentos de arranjos são dados
-entre [ ] ao invés de ( ):
 \begin{center}\begin{tabular}{c}
-  $M[k,m] := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
+  $M_{k,\, m}  := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
 \end{tabular}\end{center}
 
 c) elementos de arranjos são calculados
@@ -256,14 +270,13 @@ \subsubsection{Array}
 
 d) elementos de arranjos podem ser
 acessados apenas usando um índice
-menor. Para criar um índice menor,
-coloque ''['' após o nome do arranjo:
+menor:
 \begin{center}\begin{tabular}{cc}
   $M_{5,\, 10}  = -1.39106$ &
   $M_{10,\, 5}  = -1.92467$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $P[k,m] := floor \left( -10 \cdot M_{k,\, m} \right) $
+  $P_{k,\, m}  := floor \left( -10 \cdot M_{k,\, m} \right) $
 \end{tabular}\end{center}
 
 e) se qualquer índice do arranjo for

doc/how_to_use_de.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Diese App ist eine leistungsstarke
@@ -269,17 +269,18 @@ \subsubsection{Array}
 folgende Eigenschaften haben:
 
 a) man kann die Array-Elemente mit
-Hilfe von einem Index zuweisen. Die
-Argumente des Arrays sind in eckigen
-Klammern ''[ ]'' anstelle der runden
-Klammern ''( )'' geschrieben. Nicht
-definierte Elemente haben einen 
-vorgegebenen Wert ''0'':
+Hilfe von einem Index anstelle der 
+runden Klammern ''( )'' zuweisen. Um
+solchen Index zu erzeugen, geben Sie
+''['' nach dem Array-Namen:
 \begin{center}\begin{tabular}{ccc}
-  $r[0] := 5$ &
-  $r[3] := 6$ &
-  $r[2] := -4$ \cr
+  $r_{0}  := 5$ &
+  $r_{3}  := 6$ &
+  $r_{2}  := -4$ \cr
 \end{tabular}\end{center}
+
+Nicht definierte Elemente haben einen 
+vorgegebenen Wert ''0'':
 \begin{center}\begin{tabular}{cc}
   $idx := \left[ 0,\, 1 \,..\, 3 \right]$ &
   $r_{idx}  = \begin{bmatrix}5.0\\0.0\\-4.0\\6.0\\\end{bmatrix}$ \cr
@@ -293,7 +294,7 @@ \subsubsection{Array}
   $m := \left[ 0,\, 1 \,..\, 200 \right]$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $M[k,m] := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
+  $M_{k,\, m}  := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
 \end{tabular}\end{center}
 
 c) die Array-Elemente werden berechnet
@@ -302,15 +303,13 @@ \subsubsection{Array}
 schneller.
 
 d) man kann die Array-Elemente nur
-mittels eines Index zugreifen. Um
-solchen Index zu erzeugen, geben Sie
-''['' nach dem Array-Namen:
+mittels eines Index zugreifen:
 \begin{center}\begin{tabular}{cc}
   $M_{5,\, 10}  = -1.39106$ &
   $M_{10,\, 5}  = -1.92467$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $P[k,m] := floor \left( -10 \cdot M_{k,\, m} \right) $
+  $P_{k,\, m}  := floor \left( -10 \cdot M_{k,\, m} \right) $
 \end{tabular}\end{center}
 
 e) wenn ein Index ist komplex, negativ 

doc/how_to_use_es.tex

@@ -1,5 +1,5 @@
 % This is auto-generated file: do not edit!
-% Exported from microMathematics Plus, version 2.20.0
+% Exported from microMathematics Plus, version 2.21.0
 
 
 Esta app es un potente software de
@@ -274,15 +274,18 @@ \subsubsection{Matriz}
 con las siguientes propiedades:
 
 a) los elementos de la matriz pueden
-asignarse usando un índice dado en [ ]
-en lugar de ( ). Cualquier elemento no
-asignado es  establecido por defecto a
-cero:
+asignarse usando un índice en lugar 
+de ( ). Para crear un índice inferior,
+ponga ''['' después del nombre de la 
+matriz:
 \begin{center}\begin{tabular}{ccc}
-  $r[0] := 5$ &
-  $r[3] := 6$ &
-  $r[2] := -4$ \cr
+  $r_{0}  := 5$ &
+  $r_{3}  := 6$ &
+  $r_{2}  := -4$ \cr
 \end{tabular}\end{center}
+
+Cualquier elemento no asignado es  
+establecido por defecto a cero:
 \begin{center}\begin{tabular}{cc}
   $idx := \left[ 0,\, 1 \,..\, 3 \right]$ &
   $r_{idx}  = \begin{bmatrix}5.0\\0.0\\-4.0\\6.0\\\end{bmatrix}$ \cr
@@ -296,7 +299,7 @@ \subsubsection{Matriz}
   $m := \left[ 0,\, 1 \,..\, 200 \right]$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $M[k,m] := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
+  $M_{k,\, m}  := {sin \left( k / 10\right) }^{2} - 3 \cdot  \left| cos \left( m / 10\right)  \right| $
 \end{tabular}\end{center}
 
 c) los elementos de la matriz se
@@ -306,15 +309,13 @@ \subsubsection{Matriz}
 
 d) sólo se puede acceder a los
 elementos de la matriz utilizando un
-índice inferior. Para crear un índice
-inferior, ponga ''['' después del nombre
-de la matriz:
+índice inferior:
 \begin{center}\begin{tabular}{cc}
   $M_{5,\, 10}  = -1.39106$ &
   $M_{10,\, 5}  = -1.92467$ \cr
 \end{tabular}\end{center}
 \begin{center}\begin{tabular}{c}
-  $P[k,m] := floor \left( -10 \cdot M_{k,\, m} \right) $
+  $P_{k,\, m}  := floor \left( -10 \cdot M_{k,\, m} \right) $
 \end{tabular}\end{center}
 
 e) si algún índice de la matriz es