diff --git a/reference/math/functions/acos.xml b/reference/math/functions/acos.xml
index 3d7a83a19f..dd6ca0b374 100644
--- a/reference/math/functions/acos.xml
+++ b/reference/math/functions/acos.xml
@@ -1,5 +1,5 @@
-
+
@@ -14,6 +14,10 @@
Returns the arc cosine of arg in radians.
+ acos is the complementary function of
+ cos, which means that
+ a==cos(acos(a)) for every value of a that is within
+ acos' range.
See also acosh, asin
diff --git a/reference/math/functions/acosh.xml b/reference/math/functions/acosh.xml
index 44c8e199ad..bf14ee7a4c 100644
--- a/reference/math/functions/acosh.xml
+++ b/reference/math/functions/acosh.xml
@@ -1,5 +1,5 @@
-
+
@@ -19,8 +19,8 @@
¬e.no-windows;
- See also acos, asin
- and atan.
+ See also acos, asinh
+ and atanh.
diff --git a/reference/math/functions/asin.xml b/reference/math/functions/asin.xml
index f66f02aa91..6b2776f6bd 100644
--- a/reference/math/functions/asin.xml
+++ b/reference/math/functions/asin.xml
@@ -1,5 +1,5 @@
-
+
@@ -13,7 +13,11 @@
floatarg
- Returns the arc sine of arg in radians.
+ Returns the arc sine of arg in radians.
+ asin is the complementary function of
+ sin, which means that
+ a==sin(asin(a)) for every value of a that is within
+ asin's range.
See also asinh, acos
diff --git a/reference/math/functions/asinh.xml b/reference/math/functions/asinh.xml
index 9aeb2c4dd8..5a12a29955 100644
--- a/reference/math/functions/asinh.xml
+++ b/reference/math/functions/asinh.xml
@@ -1,5 +1,5 @@
-
+
@@ -19,8 +19,8 @@
¬e.no-windows;
- See also asin, acos
- and atan.
+ See also asin, acosh
+ and atanh.
diff --git a/reference/math/functions/atan.xml b/reference/math/functions/atan.xml
index 47a286397e..330739e620 100644
--- a/reference/math/functions/atan.xml
+++ b/reference/math/functions/atan.xml
@@ -1,5 +1,5 @@
-
+
@@ -13,7 +13,11 @@
floatarg
- Returns the arc tangent of arg in radians.
+ Returns the arc tangent of arg in radians.
+ atan is the complementary function of
+ tan, which means that
+ a==tan(atan(a)) for every value of a that is within
+ atan's range.
See also atanh, asin
diff --git a/reference/math/functions/atanh.xml b/reference/math/functions/atanh.xml
index dfeafd9022..ad08f2bc42 100644
--- a/reference/math/functions/atanh.xml
+++ b/reference/math/functions/atanh.xml
@@ -1,5 +1,5 @@
-
+
@@ -19,8 +19,8 @@
¬e.no-windows;
- See also atan, asin
- and acos.
+ See also atan, asinh
+ and acosh.
diff --git a/reference/math/functions/dechex.xml b/reference/math/functions/dechex.xml
index 1fd585ae14..9c139c4a39 100644
--- a/reference/math/functions/dechex.xml
+++ b/reference/math/functions/dechex.xml
@@ -1,5 +1,5 @@
-
+
@@ -14,7 +14,7 @@
Returns a string containing a hexadecimal representation of the
- given number argument. The largest number that can
+ given number argument. The largest number that can
be converted is 2147483647 in decimal resulting to "7fffffff".
diff --git a/reference/math/functions/getrandmax.xml b/reference/math/functions/getrandmax.xml
index 789b791534..f44c1a64b0 100644
--- a/reference/math/functions/getrandmax.xml
+++ b/reference/math/functions/getrandmax.xml
@@ -1,5 +1,5 @@
-
+
@@ -17,9 +17,8 @@
rand.
- See also rand, srand,
- mt_rand, mt_srand, and
- mt_getrandmax.
+ See also rand, srand
+ and mt_getrandmax.
diff --git a/reference/math/functions/hexdec.xml b/reference/math/functions/hexdec.xml
index ca83ffee29..9a752a2f73 100644
--- a/reference/math/functions/hexdec.xml
+++ b/reference/math/functions/hexdec.xml
@@ -1,5 +1,5 @@
-
+
@@ -14,9 +14,10 @@
Returns the decimal equivalent of the hexadecimal number
- represented by the hex_string argument. hexdec converts a
- hexadecimal string to a decimal number. The largest number that
- can be converted is 7fffffff or 2147483647 in decimal.
+ represented by the hex_string argument.
+ hexdec converts a hexadecimal string to a
+ decimal number. The largest number that can be converted is
+ 7fffffff or 2147483647 in decimal.
hexdec will replace of any non-hexadecimal
diff --git a/reference/math/functions/mt-getrandmax.xml b/reference/math/functions/mt-getrandmax.xml
index 04a48a45e1..531a418a37 100644
--- a/reference/math/functions/mt-getrandmax.xml
+++ b/reference/math/functions/mt-getrandmax.xml
@@ -1,5 +1,5 @@
-
+
@@ -18,9 +18,7 @@
See also mt_rand,
- mt_srand, rand,
- srand, and
- getrandmax.
+ mt_srand and getrandmax.
diff --git a/reference/math/functions/mt-rand.xml b/reference/math/functions/mt-rand.xml
index 3966e55b25..6eb12f7fe3 100644
--- a/reference/math/functions/mt-rand.xml
+++ b/reference/math/functions/mt-rand.xml
@@ -1,5 +1,5 @@
-
+
@@ -53,8 +53,8 @@
See also mt_srand,
- mt_getrandmax, srand,
- rand and getrandmax.
+ mt_getrandmax and
+ rand.
diff --git a/reference/math/functions/mt-srand.xml b/reference/math/functions/mt-srand.xml
index d92673b6c7..f09235cbdd 100644
--- a/reference/math/functions/mt-srand.xml
+++ b/reference/math/functions/mt-srand.xml
@@ -1,5 +1,5 @@
-
+
@@ -37,9 +37,7 @@ $randval = mt_rand();
See also mt_rand,
- mt_getrandmax, srand,
- rand, and
- getrandmax.
+ mt_getrandmax and srand.
diff --git a/reference/math/functions/number-format.xml b/reference/math/functions/number-format.xml
index 441ea4a97e..07967ab59b 100644
--- a/reference/math/functions/number-format.xml
+++ b/reference/math/functions/number-format.xml
@@ -1,5 +1,5 @@
-
+
@@ -21,7 +21,7 @@
two or four parameters (not three):
If only one parameter is given,
- Number will be formatted without decimals,
+ number will be formatted without decimals,
but with a comma (",") between every group of thousands.
@@ -79,12 +79,10 @@
-
-
- See also: sprintf,
- printf and sscanf.
-
-
+
+ See also: sprintf,
+ printf and sscanf.
+
diff --git a/reference/math/functions/rand.xml b/reference/math/functions/rand.xml
index 97cc93b429..33fa91621f 100644
--- a/reference/math/functions/rand.xml
+++ b/reference/math/functions/rand.xml
@@ -1,5 +1,5 @@
-
+
@@ -23,7 +23,7 @@
In older versions of PHP, you had to seed the random number generator
- before use with mt_srand. Since 4.2.0 this is no
+ before use with srand. Since 4.2.0 this is no
longer necessary.
@@ -37,9 +37,8 @@
See also srand,
- getrandmax, mt_rand,
- mt_srand, and
- mt_getrandmax.
+ getrandmax, and
+ mt_rand.
diff --git a/reference/math/functions/sqrt.xml b/reference/math/functions/sqrt.xml
index 7b6d1e10d3..4728db5571 100644
--- a/reference/math/functions/sqrt.xml
+++ b/reference/math/functions/sqrt.xml
@@ -1,5 +1,5 @@
-
+
@@ -15,6 +15,19 @@
Returns the square root of arg.
+
+
+
+
+]]>
+
+
+
See also pow.
diff --git a/reference/math/functions/srand.xml b/reference/math/functions/srand.xml
index 0e3654d80f..042122762c 100644
--- a/reference/math/functions/srand.xml
+++ b/reference/math/functions/srand.xml
@@ -1,5 +1,5 @@
-
+
@@ -37,9 +37,8 @@ $randval = rand();
See also rand,
- getrandmax, mt_rand,
- mt_srand, and
- mt_getrandmax.
+ getrandmax and
+ mt_srand.