diff --git a/dlls/msvcp90/math.c b/dlls/msvcp90/math.c
index 72a89227df8..aca11f1dbb8 100644
--- a/dlls/msvcp90/math.c
+++ b/dlls/msvcp90/math.c
@@ -21,6 +21,7 @@
 #include <stdarg.h>
 #include <limits.h>
 #include <float.h>
+#define _USE_MATH_DEFINES
 #include <math.h>
 
 #include "msvcp90.h"
@@ -1372,6 +1373,35 @@ complex_float* __cdecl complex_float_tanh(complex_float *ret, const complex_floa
     return ret;
 }
 
+/* ??$exp@M@std@@YA?AV?$complex@M@0@ABV10@@Z */
+/* ??$exp@M@std@@YA?AV?$complex@M@0@AEBV10@@Z */
+complex_float* __cdecl complex_float_exp(complex_float *ret, const complex_float *c)
+{
+    ret->real = ret->imag = exp(c->real);
+    ret->real *= cos(c->imag);
+    ret->imag *= sin(c->imag);
+    return ret;
+}
+
+/* ??$log@M@std@@YA?AV?$complex@M@0@ABV10@@Z */
+/* ??$log@M@std@@YA?AV?$complex@M@0@AEBV10@@Z */
+complex_float* __cdecl complex_float_log(complex_float *ret, const complex_float *c)
+{
+    ret->real = log(complex_float_abs(c));
+    ret->imag = complex_float_arg(c);
+    return ret;
+}
+
+/* ??$log10@M@std@@YA?AV?$complex@M@0@ABV10@@Z */
+/* ??$log10@M@std@@YA?AV?$complex@M@0@AEBV10@@Z */
+complex_float* __cdecl complex_float_log10(complex_float *ret, const complex_float *c)
+{
+    complex_float_log(ret, c);
+    ret->real *= M_LOG10E;
+    ret->imag *= M_LOG10E;
+    return ret;
+}
+
 /* ??0?$_Complex_base@NU_C_double_complex@@@std@@QAE@ABN0@Z */
 /* ??0?$_Complex_base@NU_C_double_complex@@@std@@QEAA@AEBN0@Z */
 /* ??0?$_Complex_base@OU_C_ldouble_complex@@@std@@QAE@ABO0@Z */
@@ -1952,3 +1982,38 @@ complex_double* __cdecl complex_double_tanh(complex_double *ret, const complex_d
     ret->imag = -tmp.real;
     return ret;
 }
+
+/* ??$exp@N@std@@YA?AV?$complex@N@0@ABV10@@Z */
+/* ??$exp@N@std@@YA?AV?$complex@N@0@AEBV10@@Z */
+/* ??$exp@O@std@@YA?AV?$complex@O@0@ABV10@@Z */
+/* ??$exp@O@std@@YA?AV?$complex@O@0@AEBV10@@Z */
+complex_double* __cdecl complex_double_exp(complex_double *ret, const complex_double *c)
+{
+    ret->real = ret->imag = exp(c->real);
+    ret->real *= cos(c->imag);
+    ret->imag *= sin(c->imag);
+    return ret;
+}
+
+/* ??$log@N@std@@YA?AV?$complex@N@0@ABV10@@Z */
+/* ??$log@N@std@@YA?AV?$complex@N@0@AEBV10@@Z */
+/* ??$log@O@std@@YA?AV?$complex@O@0@ABV10@@Z */
+/* ??$log@O@std@@YA?AV?$complex@O@0@AEBV10@@Z */
+complex_double* __cdecl complex_double_log(complex_double *ret, const complex_double *c)
+{
+    ret->real = log(complex_double_abs(c));
+    ret->imag = complex_double_arg(c);
+    return ret;
+}
+
+/* ??$log10@N@std@@YA?AV?$complex@N@0@ABV10@@Z */
+/* ??$log10@N@std@@YA?AV?$complex@N@0@AEBV10@@Z */
+/* ??$log10@O@std@@YA?AV?$complex@O@0@ABV10@@Z */
+/* ??$log10@O@std@@YA?AV?$complex@O@0@AEBV10@@Z */
+complex_double* __cdecl complex_double_log10(complex_double *ret, const complex_double *c)
+{
+    complex_double_log(ret, c);
+    ret->real *= M_LOG10E;
+    ret->imag *= M_LOG10E;
+    return ret;
+}
diff --git a/dlls/msvcp90/msvcp90.spec b/dlls/msvcp90/msvcp90.spec
index b77fcf529c7..61a46519b76 100644
--- a/dlls/msvcp90/msvcp90.spec
+++ b/dlls/msvcp90/msvcp90.spec
@@ -380,12 +380,12 @@
 @ cdecl -arch=win64 ??$cosh@N@std@@YA?AV?$complex@N@0@AEBV10@@Z(ptr ptr) complex_double_cosh
 @ cdecl -arch=win32 ??$cosh@O@std@@YA?AV?$complex@O@0@ABV10@@Z(ptr ptr) complex_double_cosh
 @ cdecl -arch=win64 ??$cosh@O@std@@YA?AV?$complex@O@0@AEBV10@@Z(ptr ptr) complex_double_cosh
-@ stub -arch=win32 ??$exp@M@std@@YA?AV?$complex@M@0@ABV10@@Z
-@ stub -arch=win64 ??$exp@M@std@@YA?AV?$complex@M@0@AEBV10@@Z
-@ stub -arch=win32 ??$exp@N@std@@YA?AV?$complex@N@0@ABV10@@Z
-@ stub -arch=win64 ??$exp@N@std@@YA?AV?$complex@N@0@AEBV10@@Z
-@ stub -arch=win32 ??$exp@O@std@@YA?AV?$complex@O@0@ABV10@@Z
-@ stub -arch=win64 ??$exp@O@std@@YA?AV?$complex@O@0@AEBV10@@Z
+@ cdecl -arch=win32 ??$exp@M@std@@YA?AV?$complex@M@0@ABV10@@Z(ptr ptr) complex_float_exp
+@ cdecl -arch=win64 ??$exp@M@std@@YA?AV?$complex@M@0@AEBV10@@Z(ptr ptr) complex_float_exp
+@ cdecl -arch=win32 ??$exp@N@std@@YA?AV?$complex@N@0@ABV10@@Z(ptr ptr) complex_double_exp
+@ cdecl -arch=win64 ??$exp@N@std@@YA?AV?$complex@N@0@AEBV10@@Z(ptr ptr) complex_double_exp
+@ cdecl -arch=win32 ??$exp@O@std@@YA?AV?$complex@O@0@ABV10@@Z(ptr ptr) complex_double_exp
+@ cdecl -arch=win64 ??$exp@O@std@@YA?AV?$complex@O@0@AEBV10@@Z(ptr ptr) complex_double_exp
 @ cdecl -arch=win32 ??$getline@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@YAAAV?$basic_istream@DU?$char_traits@D@std@@@0@AAV10@AAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z(ptr ptr) basic_istream_char_getline_bstr
 @ cdecl -arch=win64 ??$getline@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@YAAEAV?$basic_istream@DU?$char_traits@D@std@@@0@AEAV10@AEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z(ptr ptr) basic_istream_char_getline_bstr
 @ cdecl -arch=win32 ??$getline@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@YAAAV?$basic_istream@DU?$char_traits@D@std@@@0@AAV10@AAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@D@Z(ptr ptr long) basic_istream_char_getline_bstr_delim
@@ -404,18 +404,18 @@
 @ cdecl -arch=win64 ??$imag@N@std@@YANAEBV?$complex@N@0@@Z(ptr) complex_double_imag
 @ cdecl -arch=win32 ??$imag@O@std@@YAOABV?$complex@O@0@@Z(ptr) complex_double_imag
 @ cdecl -arch=win64 ??$imag@O@std@@YAOAEBV?$complex@O@0@@Z(ptr) complex_double_imag
-@ stub -arch=win32 ??$log10@M@std@@YA?AV?$complex@M@0@ABV10@@Z
-@ stub -arch=win64 ??$log10@M@std@@YA?AV?$complex@M@0@AEBV10@@Z
-@ stub -arch=win32 ??$log10@N@std@@YA?AV?$complex@N@0@ABV10@@Z
-@ stub -arch=win64 ??$log10@N@std@@YA?AV?$complex@N@0@AEBV10@@Z
-@ stub -arch=win32 ??$log10@O@std@@YA?AV?$complex@O@0@ABV10@@Z
-@ stub -arch=win64 ??$log10@O@std@@YA?AV?$complex@O@0@AEBV10@@Z
-@ stub -arch=win32 ??$log@M@std@@YA?AV?$complex@M@0@ABV10@@Z
-@ stub -arch=win64 ??$log@M@std@@YA?AV?$complex@M@0@AEBV10@@Z
-@ stub -arch=win32 ??$log@N@std@@YA?AV?$complex@N@0@ABV10@@Z
-@ stub -arch=win64 ??$log@N@std@@YA?AV?$complex@N@0@AEBV10@@Z
-@ stub -arch=win32 ??$log@O@std@@YA?AV?$complex@O@0@ABV10@@Z
-@ stub -arch=win64 ??$log@O@std@@YA?AV?$complex@O@0@AEBV10@@Z
+@ cdecl -arch=win32 ??$log10@M@std@@YA?AV?$complex@M@0@ABV10@@Z(ptr ptr) complex_float_log10
+@ cdecl -arch=win64 ??$log10@M@std@@YA?AV?$complex@M@0@AEBV10@@Z(ptr ptr) complex_float_log10
+@ cdecl -arch=win32 ??$log10@N@std@@YA?AV?$complex@N@0@ABV10@@Z(ptr ptr) complex_double_log10
+@ cdecl -arch=win64 ??$log10@N@std@@YA?AV?$complex@N@0@AEBV10@@Z(ptr ptr) complex_double_log10
+@ cdecl -arch=win32 ??$log10@O@std@@YA?AV?$complex@O@0@ABV10@@Z(ptr ptr) complex_double_log10
+@ cdecl -arch=win64 ??$log10@O@std@@YA?AV?$complex@O@0@AEBV10@@Z(ptr ptr) complex_double_log10
+@ cdecl -arch=win32 ??$log@M@std@@YA?AV?$complex@M@0@ABV10@@Z(ptr ptr) complex_float_log
+@ cdecl -arch=win64 ??$log@M@std@@YA?AV?$complex@M@0@AEBV10@@Z(ptr ptr) complex_float_log
+@ cdecl -arch=win32 ??$log@N@std@@YA?AV?$complex@N@0@ABV10@@Z(ptr ptr) complex_double_log
+@ cdecl -arch=win64 ??$log@N@std@@YA?AV?$complex@N@0@AEBV10@@Z(ptr ptr) complex_double_log
+@ cdecl -arch=win32 ??$log@O@std@@YA?AV?$complex@O@0@ABV10@@Z(ptr ptr) complex_double_log
+@ cdecl -arch=win64 ??$log@O@std@@YA?AV?$complex@O@0@AEBV10@@Z(ptr ptr) complex_double_log
 @ stub -arch=win32 ??$norm@M@std@@YAMABV?$complex@M@0@@Z
 @ stub -arch=win64 ??$norm@M@std@@YAMAEBV?$complex@M@0@@Z
 @ stub -arch=win32 ??$norm@N@std@@YANABV?$complex@N@0@@Z
diff --git a/include/msvcrt/math.h b/include/msvcrt/math.h
index e99777d3ffa..4d0655e49d6 100644
--- a/include/msvcrt/math.h
+++ b/include/msvcrt/math.h
@@ -152,4 +152,23 @@ static const union {
 
 #include <poppack.h>
 
+#ifdef _USE_MATH_DEFINES
+#ifndef _MATH_DEFINES_DEFINED
+#define _MATH_DEFINES_DEFINED
+#define M_E         2.71828182845904523536
+#define M_LOG2E     1.44269504088896340736
+#define M_LOG10E    0.434294481903251827651
+#define M_LN2       0.693147180559945309417
+#define M_LN10      2.30258509299404568402
+#define M_PI        3.14159265358979323846
+#define M_PI_2      1.57079632679489661923
+#define M_PI_4      0.785398163397448309616
+#define M_1_PI      0.318309886183790671538
+#define M_2_PI      0.636619772367581343076
+#define M_2_SQRTPI  1.12837916709551257390
+#define M_SQRT2     1.41421356237309504880
+#define M_SQRT1_2   0.707106781186547524401
+#endif /* !_MATH_DEFINES_DEFINED */
+#endif /* _USE_MATH_DEFINES */
+
 #endif /* __WINE_MATH_H */