diff --git a/dspl/src/statistic.c b/dspl/src/statistic.c
index 5517bb8..cff411f 100644
--- a/dspl/src/statistic.c
+++ b/dspl/src/statistic.c
@@ -473,7 +473,7 @@ int DSPL_API minmax(double* x, int n, double* xmin, double* xmax)
 #ifdef DOXYGEN_ENGLISH
 /*! ****************************************************************************
 \ingroup SPEC_MATH_STAT_GROUP
-\fn int std(double* x, int n, double* s)
+\fn int stat_std(double* x, int n, double* s)
 \brief Calculates the standard deviation of the input vector `x`
 
 Function calculates the the standard deviation value
@@ -503,7 +503,7 @@ Example:
 \code{.cpp}
     double a[5] = {0.0, 1.0, 2.0, 3.0, 4.0};
     double s;
-    std(a, 5, &s);
+    stat_std(a, 5, &s);
     printf("\n\n Standard deviation value:    %8.1f\n", s);
 \endcode 
 As result the variable `s` will keep value `1.5811`.
@@ -513,7 +513,7 @@ As result the variable `s` will keep value `1.5811`.
 #ifdef DOXYGEN_RUSSIAN
 /*! ****************************************************************************
 \ingroup SPEC_MATH_STAT_GROUP
-\fn int std(double* x, int n, double* s)
+\fn int stat_std(double* x, int n, double* s)
 \brief Выборочная оценка стандартного отклонения вещественного вектора `x`
 
 Функция рассчитывает оценку стандартного отклонения
@@ -545,7 +545,7 @@ s = \sqrt{\frac{1}{n-1} \sum_{i = 0}^{n-1} \big(x(i) - \mu \big)^2},
 \code{.cpp}
     double a[5] = {0.0, 1.0, 2.0, 3.0, 4.0};
     double s;
-    std(a, 5, &s);
+    stat_std(a, 5, &s);
     printf("\n\n Standard deviation value:    %8.1f\n", s);
 \endcode 
 В результате в переменную `s` будет записано значение `1.5811`.
@@ -553,7 +553,7 @@ s = \sqrt{\frac{1}{n-1} \sum_{i = 0}^{n-1} \big(x(i) - \mu \big)^2},
 \author Бахурин Сергей. www.dsplib.org
 ***************************************************************************** */
 #endif
-int DSPL_API std(double* x, int n, double* s)
+int DSPL_API stat_std(double* x, int n, double* s)
 {
     int k, err; 
     double sum, m;
@@ -577,7 +577,7 @@ exit_label:
 #ifdef DOXYGEN_ENGLISH
 /*! ****************************************************************************
 \ingroup SPEC_MATH_STAT_GROUP
-\fn int std_cmplx(complex_t* x, int n, double* s)
+\fn int stat_std_cmplx(complex_t* x, int n, double* s)
 \brief Calculates the standard deviation of the complex input vector `x`
 
 Function calculates the the standard deviation value
@@ -607,7 +607,7 @@ Example:
 \code{.cpp}
     complex_t a[3] = {{0.0, -1.0}, {1.0, 2.0}, {3.0, 5.0}};
     double s;
-    std_cmplx(a, 3, &s);
+    stat_std_cmplx(a, 3, &s);
     printf("\n\n Standard deviation value:    %8.1f\n", s);
 \endcode 
 As result the variable `s` will keep value `3.3665`.
@@ -617,7 +617,7 @@ As result the variable `s` will keep value `3.3665`.
 #ifdef DOXYGEN_RUSSIAN
 /*! ****************************************************************************
 \ingroup SPEC_MATH_STAT_GROUP
-\fn int std_cmplx(complex_t* x, int n, double* s)
+\fn int stat_std_cmplx(complex_t* x, int n, double* s)
 \brief Выборочная оценка стандартного отклонения комплексного вектора `x`
 
 Функция рассчитывает оценку стандартного отклонения
@@ -651,7 +651,7 @@ s = \sqrt{\frac{1}{n-1} \sum_{i = 0}^{n-1} \big|x(i) - \mu \big|^2},
 \code{.cpp}
     complex_t a[3] = {{0.0, -1.0}, {1.0, 2.0}, {3.0, 5.0}};
     double s;
-    std_cmplx(a, 3, &s);
+    stat_std_cmplx(a, 3, &s);
     printf("\n\n Standard deviation value:    %8.1f\n", s);
 \endcode 
 В результате в переменную `s` будет записано значение `3.3665`.
@@ -659,7 +659,7 @@ s = \sqrt{\frac{1}{n-1} \sum_{i = 0}^{n-1} \big|x(i) - \mu \big|^2},
 \author Бахурин Сергей. www.dsplib.org
 ***************************************************************************** */
 #endif
-int DSPL_API std_cmplx(complex_t* x, int n, double* s)
+int DSPL_API stat_std_cmplx(complex_t* x, int n, double* s)
 {
     int k, err; 
     complex_t tmp, m;
diff --git a/include/dspl.c b/include/dspl.c
index 0bf6b04..68c384a 100644
--- a/include/dspl.c
+++ b/include/dspl.c
@@ -180,8 +180,8 @@ p_sin_cmplx                             sin_cmplx                     ;
 p_sinc                                  sinc                          ;
 p_sine_int                              sine_int                      ;
 p_sqrt_cmplx                            sqrt_cmplx                    ;
-p_std                                   std                           ;
-p_std_cmplx                             std_cmplx                     ;
+p_stat_std                              stat_std                      ;
+p_stat_std_cmplx                        stat_std_cmplx                ;
 p_sum                                   sum                           ;
 p_sum_sqr                               sum_sqr                       ;
 
@@ -397,8 +397,8 @@ void* dspl_load()
     LOAD_FUNC(sinc);
     LOAD_FUNC(sine_int);
     LOAD_FUNC(sqrt_cmplx);
-    LOAD_FUNC(std);
-    LOAD_FUNC(std_cmplx);
+    LOAD_FUNC(stat_std);
+    LOAD_FUNC(stat_std_cmplx);
     LOAD_FUNC(sum);
     LOAD_FUNC(sum_sqr);
     
diff --git a/include/dspl.h b/include/dspl.h
index b2308d0..534247c 100644
--- a/include/dspl.h
+++ b/include/dspl.h
@@ -1517,11 +1517,11 @@ DECLARE_FUNC(int,        sqrt_cmplx,                  complex_t*
                                                 COMMA int
                                                 COMMA complex_t*);
 /*----------------------------------------------------------------------------*/
-DECLARE_FUNC(int,        std,                         double*          x
+DECLARE_FUNC(int,        stat_std,                    double*          x
                                                 COMMA int              n
                                                 COMMA double*          s);
 /*----------------------------------------------------------------------------*/
-DECLARE_FUNC(int,        std_cmplx,                   complex_t*       x
+DECLARE_FUNC(int,        stat_std_cmplx,              complex_t*       x
                                                 COMMA int              n
                                                 COMMA double*          s);
 /*----------------------------------------------------------------------------*/
diff --git a/verification/src/statistic_verification.c b/verification/src/statistic_verification.c
index de50560..c60485d 100644
--- a/verification/src/statistic_verification.c
+++ b/verification/src/statistic_verification.c
@@ -34,8 +34,8 @@ int main(int argc, char* argv[])
     verif_str(&yd, 1, "mean for double data:", 
                       "dat/mean_real.dat", 
                       "verification.log");
-    std(xd, SIZE, &yd);
-    verif_str(&yd, 1, "std for double data:", "dat/std_real.dat", 
+    stat_std(xd, SIZE, &yd);
+    verif_str(&yd, 1, "stat_std for double data:", "dat/std_real.dat", 
               "verification.log");
 
 
@@ -48,8 +48,8 @@ int main(int argc, char* argv[])
                       
 
     /*------------------------------------------------------------------------*/
-    std_cmplx(xc, SIZE, &yd);
-    verif_str(&yd, 1, "std for complex data:", 
+    stat_std_cmplx(xc, SIZE, &yd);
+    verif_str(&yd, 1, "stat_std for complex data:", 
                       "dat/std_cmplx.dat", 
                       "verification.log");