diff --git a/apps/plugins/lib/fixedpoint.h b/apps/plugins/lib/fixedpoint.h
index 1631f8d6d8..811a1d9b81 100644
--- a/apps/plugins/lib/fixedpoint.h
+++ b/apps/plugins/lib/fixedpoint.h
@@ -20,55 +20,7 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
-
-/** PLUGINS - FIXED POINT MATH ROUTINES - USAGE
- *
- *  - x and y arguments are fixed point integers
- *  - fracbits is the number of fractional bits in the argument(s)
- *  - functions return long fixed point integers with the specified number
- *    of fractional bits unless otherwise specified
- *
- *  Calculate sin and cos of an angle:
- *      fp_sincos(phase, *cos)
- *          where phase is a 32 bit unsigned integer with 0 representing 0
- *          and 0xFFFFFFFF representing 2*pi, and *cos is the address to
- *          a long signed integer.  Value returned is a long signed integer
- *          from -0x80000000 to 0x7fffffff, representing -1 to 1 respectively.
- *          That is, value is a fixed point integer with 31 fractional bits.
- *
- *  Take square root of a fixed point number:
- *      fp_sqrt(x, fracbits)
- *
- *  Calculate sin or cos of an angle (very fast, from a table):
- *      fp14_sin(angle)
- *      fp14_cos(angle)
- *          where angle is a non-fixed point integer in degrees.  Value
- *          returned is a fixed point integer with 14 fractional bits.
- *
- *  Calculate the natural log of a positive fixed point integer
- *      fp16_log(x)
- *          where x and the value returned are fixed point integers
- *          with 16 fractional bits.
- */
-
 #ifndef _FIXEDPOINT_H_PLUGINS
 #define _FIXEDPOINT_H_PLUGINS
-
-long fp_sincos(unsigned long phase, long *cos);
-long fp_sqrt(long a, unsigned int fracbits);
-long fp14_cos(int val);
-long fp14_sin(int val);
-long fp16_log(int x);
-long fp16_exp(int x);
-
-unsigned long isqrt(unsigned long x);
-
-/* fast unsigned multiplication (16x16bit->32bit or 32x32bit->32bit,
- * whichever is faster for the architecture) */
-#ifdef CPU_ARM
-#define FMULU(a, b) ((uint32_t) (((uint32_t) (a)) * ((uint32_t) (b))))
-#else /* SH1, coldfire */
-#define FMULU(a, b) ((uint32_t) (((uint16_t) (a)) * ((uint16_t) (b))))
-#endif
-
-#endif
+#include "../../../firmware/include/fixedpoint.h"
+#endif /* _FIXEDPOINT_H_PLUGINS */
diff --git a/apps/fixedpoint.h b/firmware/include/fixedpoint.h
similarity index 57%
rename from apps/fixedpoint.h
rename to firmware/include/fixedpoint.h
index 6670e597fb..3e14bdd68e 100644
--- a/apps/fixedpoint.h
+++ b/firmware/include/fixedpoint.h
@@ -21,7 +21,7 @@
  *
  ****************************************************************************/
 
-/** APPS - FIXED POINT MATH ROUTINES - USAGE
+/** FIXED POINT MATH ROUTINES - USAGE
  *
  *  - x and y arguments are fixed point integers
  *  - fracbits is the number of fractional bits in the argument(s)
@@ -34,6 +34,36 @@
  *  Divide two fixed point numbers:
  *      fp_div(x, y, fracbits)
  *
+ *  Calculate sin and cos of an angle:
+ *      fp_sincos(phase, *cos)
+ *          where phase is a 32 bit unsigned integer with 0 representing 0
+ *          and 0xFFFFFFFF representing 2*pi, and *cos is the address to
+ *          a long signed integer.  Value returned is a long signed integer
+ *          from -0x80000000 to 0x7fffffff, representing -1 to 1 respectively.
+ *          That is, value is a fixed point integer with 31 fractional bits.
+ *
+ *  Take square root of a fixed point number:
+ *      fp_sqrt(x, fracbits)
+ *
+ *  Take the square root of an integer:
+ *      isqrt(x)
+ *
+ *  Calculate sin or cos of an angle (very fast, from a table):
+ *      fp14_sin(angle)
+ *      fp14_cos(angle)
+ *          where angle is a non-fixed point integer in degrees.  Value
+ *          returned is a fixed point integer with 14 fractional bits.
+ *
+ *  Calculate the exponential of a fixed point integer
+ *      fp16_exp(x)
+ *          where x and the value returned are fixed point integers
+ *          with 16 fractional bits.
+ *
+ *  Calculate the natural log of a positive fixed point integer
+ *      fp16_log(x)
+ *          where x and the value returned are fixed point integers
+ *          with 16 fractional bits.
+ *
  *  Calculate decibel equivalent of a gain factor:
  *      fp_decibels(factor, fracbits)
  *          where fracbits is in the range 12 to 22 (higher is better),
@@ -45,16 +75,28 @@
  *          and decibels is a fixed point integer.
  */
 
-#ifndef _FIXEDPOINT_H_APPS
-#define _FIXEDPOINT_H_APPS
+#ifndef FIXEDPOINT_H
+#define FIXEDPOINT_H
 
 #define fp_mul(x, y, z) (long)((((long long)(x)) * ((long long)(y))) >> (z))
 #define fp_div(x, y, z) (long)((((long long)(x)) << (z)) / ((long long)(y)))
 
-
-/** TAKEN FROM ORIGINAL fixedpoint.h */
 long fp_sincos(unsigned long phase, long *cos);
+long fp_sqrt(long a, unsigned int fracbits);
+long fp14_cos(int val);
+long fp14_sin(int val);
+long fp16_log(int x);
+long fp16_exp(int x);
 
+unsigned long isqrt(unsigned long x);
+
+/* fast unsigned multiplication (16x16bit->32bit or 32x32bit->32bit,
+ * whichever is faster for the architecture) */
+#ifdef CPU_ARM
+#define FMULU(a, b) ((uint32_t) (((uint32_t) (a)) * ((uint32_t) (b))))
+#else /* SH1, coldfire */
+#define FMULU(a, b) ((uint32_t) (((uint16_t) (a)) * ((uint16_t) (b))))
+#endif
 
 /** MODIFIED FROM replaygain.c */
 #define FP_INF          (0x7fffffff)
@@ -66,4 +108,4 @@ long fp_sincos(unsigned long phase, long *cos);
 /* long fp_decibels(unsigned long factor, unsigned int fracbits); */
 long fp_factor(long decibels, unsigned int fracbits);
 
-#endif
+#endif /* FIXEDPOINT_H */
diff --git a/lib/rbcodec/codecs/lib/fixedpoint.h b/lib/rbcodec/codecs/lib/fixedpoint.h
index 1cbd1573bb..3d8e77cd89 100644
--- a/lib/rbcodec/codecs/lib/fixedpoint.h
+++ b/lib/rbcodec/codecs/lib/fixedpoint.h
@@ -9,7 +9,7 @@
  *
  * Copyright (C) 2006 Jens Arnold
  *
- * Fixed point library for plugins
+ * Fixed point library for codecs
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -20,30 +20,7 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
-
- /** CODECS - FIXED POINT MATH ROUTINES - USAGE
- *
- *  - x and y arguments are fixed point integers
- *  - fracbits is the number of fractional bits in the argument(s)
- *  - functions return long fixed point integers with the specified number
- *    of fractional bits unless otherwise specified
- *
- *  Calculate sin and cos of an angle:
- *      fp_sincos(phase, *cos)
- *          where phase is a 32 bit unsigned integer with 0 representing 0
- *          and 0xFFFFFFFF representing 2*pi, and *cos is the address to
- *          a long signed integer.  Value returned is a long signed integer
- *          from -0x80000000 to 0x7fffffff, representing -1 to 1 respectively.
- *          That is, value is a fixed point integer with 31 fractional bits.
- *
- *  Take square root of a fixed point number:
- *      fp_sqrt(x, fracbits)
- *
- */
 #ifndef _FIXEDPOINT_H_CODECS
 #define _FIXEDPOINT_H_CODECS
-
-long fp_sincos(unsigned long phase, long *cos);
-long fp_sqrt(long a, unsigned int fracbits);
-
-#endif
+#include "../../../../firmware/include/fixedpoint.h"
+#endif /* _FIXEDPOINT_H_CODECS */