diff --git a/qse/configure b/qse/configure
index d7b1ba84..3a62b635 100755
--- a/qse/configure
+++ b/qse/configure
@@ -17674,7 +17674,7 @@ done
 
 OLDLIBS="$LIBS"
 LIBS="$LIBM $LIBS"
-for ac_func in powl fmodl sinl cosl tanl atanl atan2l logl log10l expl sqrtl ceill floorl roundl
+for ac_func in powl fmodl sinl cosl tanl sinhl coshl tanhl asinl acosl atanl atan2l logl log10l expl sqrtl ceill floorl roundl
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -17686,7 +17686,7 @@ _ACEOF
 fi
 done
 
-for ac_func in pow fmod sin cos tan atan atan2 log log10 exp sqrt ceil floor round
+for ac_func in pow fmod sin cos tan sinh cosh tanh asin acos atan atan2 log log10 exp sqrt ceil floor round
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -17698,7 +17698,7 @@ _ACEOF
 fi
 done
 
-for ac_func in powf fmodf sinf cosf tanf atanf atan2f logf log10f expf sqrtf ceilf floorf roundf
+for ac_func in powf fmodf sinf cosf tanf sinhf coshf tanhf asinf acosf atanf atan2f logf log10f expf sqrtf ceilf floorf roundf
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -20131,7 +20131,7 @@ fi
 
 	OLDLIBS="$LIBS"
 	LIBS="$LIBM $LIBS"
-	for ac_func in powq fmodq sinq cosq tanq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq
+	for ac_func in powq fmodq sinq cosq tanq sinhq coshq tanhq asinq acosq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/qse/configure.ac b/qse/configure.ac
index 45fd7d7c..3e102130 100644
--- a/qse/configure.ac
+++ b/qse/configure.ac
@@ -154,9 +154,9 @@ AC_CHECK_FUNCS([_vsnprintf _vsnwprintf])
 
 OLDLIBS="$LIBS"
 LIBS="$LIBM $LIBS"
-AC_CHECK_FUNCS([powl fmodl sinl cosl tanl atanl atan2l logl log10l expl sqrtl ceill floorl roundl])
-AC_CHECK_FUNCS([pow fmod sin cos tan atan atan2 log log10 exp sqrt ceil floor round])
-AC_CHECK_FUNCS([powf fmodf sinf cosf tanf atanf atan2f logf log10f expf sqrtf ceilf floorf roundf])
+AC_CHECK_FUNCS([powl fmodl sinl cosl tanl sinhl coshl tanhl asinl acosl atanl atan2l logl log10l expl sqrtl ceill floorl roundl])
+AC_CHECK_FUNCS([pow fmod sin cos tan sinh cosh tanh asin acos atan atan2 log log10 exp sqrt ceil floor round])
+AC_CHECK_FUNCS([powf fmodf sinf cosf tanf sinhf coshf tanhf asinf acosf atanf atan2f logf log10f expf sqrtf ceilf floorf roundf])
 LIBS="$OLDLIBS"
 
 dnl OLDLIBS="$LIBS"
@@ -459,7 +459,7 @@ then
 
 	OLDLIBS="$LIBS"
 	LIBS="$LIBM $LIBS"
-	AC_CHECK_FUNCS([powq fmodq sinq cosq tanq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq])
+	AC_CHECK_FUNCS([powq fmodq sinq cosq tanq sinhq coshq tanhq asinq acosq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq])
 	AC_CHECK_FUNCS([strtoflt128])
 	LIBS="$OLDLIBS"
 fi
diff --git a/qse/include/qse/config.h.in b/qse/include/qse/config.h.in
index 44d5757d..c499069b 100644
--- a/qse/include/qse/config.h.in
+++ b/qse/include/qse/config.h.in
@@ -3,6 +3,18 @@
 /* Define if building universal (internal helper macro) */
 #undef AC_APPLE_UNIVERSAL_BUILD
 
+/* Define to 1 if you have the `acos' function. */
+#undef HAVE_ACOS
+
+/* Define to 1 if you have the `acosf' function. */
+#undef HAVE_ACOSF
+
+/* Define to 1 if you have the `acosl' function. */
+#undef HAVE_ACOSL
+
+/* Define to 1 if you have the `acosq' function. */
+#undef HAVE_ACOSQ
+
 /* Define to 1 if you have the `argz_add' function. */
 #undef HAVE_ARGZ_ADD
 
@@ -27,6 +39,18 @@
 /* Define to 1 if you have the `argz_stringify' function. */
 #undef HAVE_ARGZ_STRINGIFY
 
+/* Define to 1 if you have the `asin' function. */
+#undef HAVE_ASIN
+
+/* Define to 1 if you have the `asinf' function. */
+#undef HAVE_ASINF
+
+/* Define to 1 if you have the `asinl' function. */
+#undef HAVE_ASINL
+
+/* Define to 1 if you have the `asinq' function. */
+#undef HAVE_ASINQ
+
 /* Define to 1 if you have the `atan' function. */
 #undef HAVE_ATAN
 
@@ -81,6 +105,18 @@
 /* Define to 1 if you have the `cosf' function. */
 #undef HAVE_COSF
 
+/* Define to 1 if you have the `cosh' function. */
+#undef HAVE_COSH
+
+/* Define to 1 if you have the `coshf' function. */
+#undef HAVE_COSHF
+
+/* Define to 1 if you have the `coshl' function. */
+#undef HAVE_COSHL
+
+/* Define to 1 if you have the `coshq' function. */
+#undef HAVE_COSHQ
+
 /* Define to 1 if you have the `cosl' function. */
 #undef HAVE_COSL
 
@@ -407,6 +443,18 @@
 /* Define to 1 if you have the `sinf' function. */
 #undef HAVE_SINF
 
+/* Define to 1 if you have the `sinh' function. */
+#undef HAVE_SINH
+
+/* Define to 1 if you have the `sinhf' function. */
+#undef HAVE_SINHF
+
+/* Define to 1 if you have the `sinhl' function. */
+#undef HAVE_SINHL
+
+/* Define to 1 if you have the `sinhq' function. */
+#undef HAVE_SINHQ
+
 /* Define to 1 if you have the `sinl' function. */
 #undef HAVE_SINL
 
@@ -571,6 +619,18 @@
 /* Define to 1 if you have the `tanf' function. */
 #undef HAVE_TANF
 
+/* Define to 1 if you have the `tanh' function. */
+#undef HAVE_TANH
+
+/* Define to 1 if you have the `tanhf' function. */
+#undef HAVE_TANHF
+
+/* Define to 1 if you have the `tanhl' function. */
+#undef HAVE_TANHL
+
+/* Define to 1 if you have the `tanhq' function. */
+#undef HAVE_TANHQ
+
 /* Define to 1 if you have the `tanl' function. */
 #undef HAVE_TANL
 
diff --git a/qse/lib/awk/fnc.c b/qse/lib/awk/fnc.c
index 83ec8ab4..fcc55dab 100644
--- a/qse/lib/awk/fnc.c
+++ b/qse/lib/awk/fnc.c
@@ -1269,7 +1269,7 @@ oops:
 	return -1;
 }
 
-static int fnc_math_1 (
+int qse_awk_fnc_math_1 (
 	qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi, qse_awk_math1_t f)
 {
 	qse_size_t nargs;
@@ -1293,7 +1293,7 @@ static int fnc_math_1 (
 	return 0;
 }
 
-static int fnc_math_2 (
+int qse_awk_fnc_math_2 (
 	qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi, qse_awk_math2_t f)
 {
 	qse_size_t nargs;
@@ -1323,47 +1323,47 @@ static int fnc_math_2 (
 
 int qse_awk_fnc_sin (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.sin);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.sin);
 }
 
 int qse_awk_fnc_cos (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.cos);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.cos);
 }
 
 int qse_awk_fnc_tan (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.tan);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.tan);
 }
 
 int qse_awk_fnc_atan (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.atan);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.atan);
 }
 
 int qse_awk_fnc_atan2 (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_2 (rtx, fi, rtx->awk->prm.math.atan2);
+	return qse_awk_fnc_math_2 (rtx, fi, rtx->awk->prm.math.atan2);
 }
 
 int qse_awk_fnc_log (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.log);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.log);
 }
 
 int qse_awk_fnc_log10 (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.log10);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.log10);
 }
 
 int qse_awk_fnc_exp (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.exp);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.exp);
 }
 
 int qse_awk_fnc_sqrt (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
-	return fnc_math_1 (rtx, fi, rtx->awk->prm.math.sqrt);
+	return qse_awk_fnc_math_1 (rtx, fi, rtx->awk->prm.math.sqrt);
 }
 
 static int fnc_int (qse_awk_rtx_t* run, const qse_awk_fnc_info_t* fi)
diff --git a/qse/lib/awk/fnc.h b/qse/lib/awk/fnc.h
index aef75685..1f60b459 100644
--- a/qse/lib/awk/fnc.h
+++ b/qse/lib/awk/fnc.h
@@ -64,6 +64,11 @@ int qse_awk_fnc_log10   (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi);
 int qse_awk_fnc_exp     (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi);
 int qse_awk_fnc_sqrt    (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi);
 
+
+int qse_awk_fnc_math_1 (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi, qse_awk_math1_t f);
+int qse_awk_fnc_math_2 (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi, qse_awk_math2_t f);
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/qse/lib/awk/mod-math.c b/qse/lib/awk/mod-math.c
index b1214259..9cc62034 100644
--- a/qse/lib/awk/mod-math.c
+++ b/qse/lib/awk/mod-math.c
@@ -24,6 +24,188 @@
 #include "../cmn/mem.h"
 #include "fnc.h"
 
+
+#include <math.h>
+#if defined(HAVE_QUADMATH_H)
+#	include <quadmath.h>
+#endif
+
+#if !defined(QSE_HAVE_CONFIG_H)
+#	if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
+#		define HAVE_CEIL
+#		define HAVE_FLOOR
+#		define HAVE_ROUND
+#		define HAVE_SINH
+#		define HAVE_COSH
+#		define HAVE_TANH
+#		define HAVE_ASIN
+#		define HAVE_ACOS
+#	endif
+#endif
+
+static qse_awk_flt_t math_ceil (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_CEILQ)
+	return ceilq (x);
+#elif defined(HAVE_CEILL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return ceill (x);
+#elif defined(HAVE_CEIL)
+	return ceil (x);
+#elif defined(HAVE_CEILF)
+	return ceilf (x);
+#else
+	#error ### no ceil function available ###
+#endif
+}
+
+static qse_awk_flt_t math_floor (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_FLOORQ)
+	return floorq (x);
+#elif defined(HAVE_FLOORL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return floorl (x);
+#elif defined(HAVE_FLOOR)
+	return floor (x);
+#elif defined(HAVE_FLOORF)
+	return floorf (x);
+#else
+	#error ### no floor function available ###
+#endif
+}
+
+static qse_awk_flt_t math_round (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_ROUNDQ)
+	return roundq (x);
+#elif defined(HAVE_ROUNDL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return roundl (x);
+#elif defined(HAVE_ROUND)
+	return round (x);
+#elif defined(HAVE_ROUNDF)
+	return roundf (x);
+#else
+	#error ### no round function available ###
+#endif
+}
+
+static qse_awk_flt_t math_sinh (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_SINHQ)
+	return sinhq (x);
+#elif defined(HAVE_SINHL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return sinhl (x);
+#elif defined(HAVE_SINH)
+	return sinh (x);
+#elif defined(HAVE_SINHF)
+	return sinhf (x);
+#else
+	#error ### no sinh function available ###
+#endif
+}
+
+static qse_awk_flt_t math_cosh (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_COSHQ)
+	return coshq (x);
+#elif defined(HAVE_COSHL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return coshl (x);
+#elif defined(HAVE_COSH)
+	return cosh (x);
+#elif defined(HAVE_COSHF)
+	return coshf (x);
+#else
+	#error ### no cosh function available ###
+#endif
+}
+
+static qse_awk_flt_t math_tanh (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_TANHQ)
+	return tanhq (x);
+#elif defined(HAVE_TANHL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return tanhl (x);
+#elif defined(HAVE_TANH)
+	return tanh (x);
+#elif defined(HAVE_TANHF)
+	return tanhf (x);
+#else
+	#error ### no tanh function available ###
+#endif
+}
+
+static qse_awk_flt_t math_asin (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_ASINQ)
+	return asinq (x);
+#elif defined(HAVE_ASINL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return asinl (x);
+#elif defined(HAVE_ASIN)
+	return asin (x);
+#elif defined(HAVE_ASINF)
+	return asinf (x);
+#else
+	#error ### no asin function available ###
+#endif
+}
+
+static qse_awk_flt_t math_acos (qse_awk_t* awk, qse_awk_flt_t x)
+{
+#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_ACOSQ)
+	return acosq (x);
+#elif defined(HAVE_ACOSL) && (QSE_SIZEOF_LONG_DOUBLE > QSE_SIZEOF_DOUBLE)
+	return acosl (x);
+#elif defined(HAVE_ACOS)
+	return acos (x);
+#elif defined(HAVE_ACOSF)
+	return acosf (x);
+#else
+	#error ### no acos function available ###
+#endif
+}
+
+static int fnc_ceil (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_ceil);
+}
+
+static int fnc_floor (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_floor);
+}
+
+static int fnc_round (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_round);
+}
+
+static int fnc_sinh (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_sinh);
+}
+
+static int fnc_cosh (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_cosh);
+}
+
+static int fnc_tanh (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_tanh);
+}
+
+static int fnc_asin (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_asin);
+}
+
+static int fnc_acos (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
+{
+	return qse_awk_fnc_math_1 (rtx, fi, math_acos);
+}
+
+/* ---------------------------------------------------------------- */
+
+
 typedef struct fnctab_t fnctab_t;
 struct fnctab_t
 {
@@ -34,16 +216,23 @@ struct fnctab_t
 static fnctab_t fnctab[] =
 {
 	/* keep this table sorted for binary search in query(). */
+	{ QSE_T("acos"),    { { 1, 1, QSE_NULL },     fnc_acos,             0 } },
+	{ QSE_T("asin"),    { { 1, 1, QSE_NULL },     fnc_asin,             0 } },
 	{ QSE_T("atan"),    { { 1, 1, QSE_NULL },     qse_awk_fnc_atan,     0 } },
 	{ QSE_T("atan2"),   { { 2, 2, QSE_NULL },     qse_awk_fnc_atan2,    0 } },
+	{ QSE_T("ceil"),    { { 1, 1, QSE_NULL },     fnc_ceil,             0 } },
 	{ QSE_T("cos"),     { { 1, 1, QSE_NULL },     qse_awk_fnc_cos,      0 } },
+	{ QSE_T("cosh"),    { { 1, 1, QSE_NULL },     fnc_cosh,             0 } },
 	{ QSE_T("exp"),     { { 1, 1, QSE_NULL },     qse_awk_fnc_exp,      0 } },
+	{ QSE_T("floor"),   { { 1, 1, QSE_NULL },     fnc_floor,            0 } },
 	{ QSE_T("log"),     { { 1, 1, QSE_NULL },     qse_awk_fnc_log,      0 } },
 	{ QSE_T("log10"),   { { 1, 1, QSE_NULL },     qse_awk_fnc_log10,    0 } },
+	{ QSE_T("round"),   { { 1, 1, QSE_NULL },     fnc_round,            0 } },
 	{ QSE_T("sin"),     { { 1, 1, QSE_NULL },     qse_awk_fnc_sin,      0 } },
+	{ QSE_T("sinh"),    { { 1, 1, QSE_NULL },     fnc_sinh,             0 } },
 	{ QSE_T("sqrt"),    { { 1, 1, QSE_NULL },     qse_awk_fnc_sqrt,     0 } },
 	{ QSE_T("tan"),     { { 1, 1, QSE_NULL },     qse_awk_fnc_tan,      0 } },
-
+	{ QSE_T("tanh"),    { { 1, 1, QSE_NULL },     fnc_tanh,             0 } }
 };
 
 static int query (qse_awk_mod_t* mod, qse_awk_t* awk, const qse_char_t* name, qse_awk_mod_sym_t* sym)
diff --git a/qse/lib/awk/std.c b/qse/lib/awk/std.c
index 90afab21..b6d4d3c2 100644
--- a/qse/lib/awk/std.c
+++ b/qse/lib/awk/std.c
@@ -52,9 +52,7 @@
 #	define INCL_DOSERRORS
 #    include <os2.h>
 #elif defined(__DOS__)
-#	if !defined(QSE_ENABLE_STATIC_MODULE)
-#		include <cwdllfnc.h>
-#	endif
+	/* nothing to include */
 #else
 #	include <unistd.h>
 #	include <ltdl.h>