diff --git a/BSP_1_B/bsp_1_b.cbp b/BSP_1_B/bsp_1_b.cbp
new file mode 100644
index 0000000..ae62cf6
--- /dev/null
+++ b/BSP_1_B/bsp_1_b.cbp
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="bsp_1_b" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/bsp_1_b" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/bsp_1_b" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="bsp_1_b.cpp" />
+		<Unit filename="bsp_1_b.h" />
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>
diff --git a/BSP_1_B/bsp_1_b.cpp b/BSP_1_B/bsp_1_b.cpp
new file mode 100644
index 0000000..dd43282
--- /dev/null
+++ b/BSP_1_B/bsp_1_b.cpp
@@ -0,0 +1,102 @@
+#include "bsp_1_b.h"
+
+#include <cassert>
+#include <fstream>
+#include <iostream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+#include <cmath>
+using namespace std;
+
+
+void meandevvec(vector<short int> x, float &a, float &g, float &h, float &d)
+{
+    a = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        a = a+x.at(k-1);
+    }
+    a = a/x.size();
+
+    g = 1;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        g = g*pow(x.at(k-1),1.0/x.size());
+    }
+
+    h = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        h = h + 1.0/x.at(k-1);
+    }
+    h = x.size()/h;
+
+    d = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        d = d + pow(x.at(k-1)-a,2);
+    }
+    d = d/x.size();
+    d = sqrt(d);
+
+    return;
+}
+
+
+// for reading a file and writing into a txt-file
+// [Str10, p.364]
+void fill_vector(istream& istr, vector<short int>& v)
+{
+    short int d=0;
+    while ( istr >> d) v.push_back(d); // Einlesen
+    if (!istr.eof())
+    { // Fehlerbehandlung
+        cout << " Error handling \n";
+        if ( istr.bad() )  throw runtime_error("Schwerer Fehler in istr");
+        if ( istr.fail() )   // Versuch des Aufraeumens
+        {
+            cout << " Failed in reading all data.\n";
+            istr.clear();
+        }
+    }
+    v.shrink_to_fit();                 // C++11
+    return;
+}
+
+
+void read_vector_from_file(const string& file_name, vector<short int>& v)
+{
+    ifstream fin(file_name);           // Oeffne das File im ASCII-Modus
+    if( fin.is_open() )                // File gefunden:
+    {
+       v.clear();                      // Vektor leeren
+       fill_vector(fin, v);
+    }
+    else                               // File nicht gefunden:
+    {
+        cout << "\nFile " << file_name << " has not been found.\n\n" ;
+        assert( fin.is_open() && "File not found." );       // exeption handling for the poor programmer
+    }
+
+ return;
+}
+
+void write_vector_to_file(const string& file_name, const vector<float>& v)
+{
+    ofstream fout(file_name);          // Oeffne das File im ASCII-Modus
+    if( fout.is_open() )
+    {
+       for (unsigned int k=0; k<v.size(); ++k)
+       {
+          fout << v.at(k) << endl;
+       }
+    }
+    else
+    {
+        cout << "\nFile " << file_name << " has not been opened.\n\n" ;
+        assert( fout.is_open() && "File not opened."  );         // exeption handling for the poor programmer
+    }
+
+ return;
+}
diff --git a/BSP_1_B/bsp_1_b.h b/BSP_1_B/bsp_1_b.h
new file mode 100644
index 0000000..1495681
--- /dev/null
+++ b/BSP_1_B/bsp_1_b.h
@@ -0,0 +1,26 @@
+#ifndef BSP_1_B_H_INCLUDED
+#define BSP_1_B_H_INCLUDED
+
+#include <iostream>
+#include <vector>
+
+
+/** \brief Funktion zur Berechnung des arithmetischen, geometrischen und harmonischen Mittels und der Standardabweichung aus den Eintraegen eines gegebenen Vektors
+ *
+ * \param[in,out]   x   Vektor mit Eintraegen
+ * \param[in,out]   a   arithmetisches Mittel
+ * \param[in,out]   g   geometrisches Mittel
+ * \param[in,out]   h   harmonisches Mittel
+ * \param[in,out]   d   Standardabweichung (deviation)
+ * \return
+ *
+ */
+void meandevvec(std::vector<short int> x, float &a, float &g, float &h, float &d);
+
+void fill_vector(std::istream& istr, std::vector<short int>& v);
+
+void read_vector_from_file(const std::string& file_name, std::vector<short int>& v);
+
+void write_vector_to_file(const std::string& file_name, const std::vector<float>& v);
+
+#endif // BSP_1_B_H_INCLUDED
diff --git a/BSP_1_B/data_1.txt b/BSP_1_B/data_1.txt
new file mode 100644
index 0000000..4599071
--- /dev/null
+++ b/BSP_1_B/data_1.txt
@@ -0,0 +1,500 @@
+141
+261
+87
+430
+258
+298
+425
+120
+496
+707
+244
+786
+75
+394
+4
+221
+2
+190
+143
+269
+175
+139
+599
+902
+940
+222
+483
+377
+524
+265
+69
+437
+174
+27
+955
+431
+962
+763
+8
+681
+706
+646
+553
+219
+773
+229
+371
+891
+857
+403
+319
+609
+911
+910
+592
+333
+854
+443
+905
+34
+533
+717
+180
+337
+188
+322
+404
+549
+49
+553
+275
+242
+244
+155
+957
+936
+819
+729
+176
+361
+189
+2
+317
+700
+626
+544
+440
+288
+502
+762
+763
+577
+748
+646
+124
+505
+348
+93
+148
+199
+673
+432
+695
+257
+10
+533
+280
+947
+907
+393
+25
+672
+838
+972
+57
+451
+583
+687
+720
+651
+727
+374
+582
+117
+58
+980
+285
+595
+963
+186
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+933
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+830
+859
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+318
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+110
+110
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+525
+973
+711
+312
+292
+851
+912
+640
+256
+89
+839
+585
+949
+62
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+286
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+394
+827
+677
+208
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+134
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+170
+148
+477
+909
+553
+33
+54
+806
+452
+383
+790
+365
+533
+712
+872
+329
+651
+975
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+588
+414
+310
+264
+759
+996
+187
+782
+196
+993
+803
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+729
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+809
+357
+74
+591
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+194
+433
+750
+40
+947
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+559
+184
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+995
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+679
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+935
+480
+232
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+706
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+996
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+536
+964
+116
+52
+305
+581
+531
+902
+541
+432
+543
+713
+17
+801
+143
+479
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+662
+170
+279
+199
+196
+327
+881
+472
+404
+180
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+408
+845
+616
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+878
+785
+465
+814
+899
+430
+335
+597
+902
+703
+378
+735
+955
+543
+541
+312
+72
+182
+93
+464
+10
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+2
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+128
+9
+728
+355
+781
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+437
+50
+50
+92
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+842
+858
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+489
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+462
+640
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+162
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+578
+434
+885
+394
+179
+634
+625
+328
+803
+1000
+981
+128
+233
+24
+608
+111
+408
+885
+549
+370
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+441
+957
+125
+471
+857
+44
+692
+979
+284
+134
+686
+910
+611
+900
+194
+755
+347
+419
+156
+820
+625
+739
+806
+68
+951
+498
+756
+743
+832
+157
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+619
+933
+836
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+583
+583
+855
+35
+886
+408
+37
+747
+155
+144
+606
+255
+325
+402
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+387
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+167
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+324
+770
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+693
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+557
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+234
+457
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+539
+992
+756
+981
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+602
+858
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+930
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+347
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+797
+746
+126
+823
+26
+415
+732
+782
+368
\ No newline at end of file
diff --git a/BSP_1_B/main.cpp b/BSP_1_B/main.cpp
new file mode 100644
index 0000000..55298e8
--- /dev/null
+++ b/BSP_1_B/main.cpp
@@ -0,0 +1,32 @@
+#include "bsp_1_b.h"
+#include <iostream>
+#include <algorithm>
+using namespace std;
+// BSP 1_B
+
+int main()
+{
+    const string name1("data_1.txt");              // name of input file
+    const string name2("out.txt");               // name of output file
+    vector<short int> v;
+
+    read_vector_from_file(name1, v);
+
+    float a, g, h, d, minv, maxv;
+    meandevvec(v,a,g,h,d);
+    minv = *min_element(v.begin(),v.end());
+    maxv = *max_element(v.begin(),v.end());
+
+    cout << "Auswertung" << endl;
+    cout << "arithmetisches Mittel: " << a << endl;
+    cout << "geometrisches Mittel: " << g << endl;
+    cout << "harmonisches Mittel: " << h << endl;
+    cout << "deviation/Standardabweichung: " << d << endl;
+    cout << "Minimum: " << minv << endl;
+    cout << "Maximum: " << maxv << endl;
+
+    vector<float> ve{a,g,h,d,minv,maxv};
+    write_vector_to_file(name2, ve);
+
+    return 0;
+}