unified the singular/plural forms

glossary/ceil/README.md

@@ -10,7 +10,7 @@ vec4 ceil(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value to evaluate.
+```x``` specifies the value to evaluate.
 
 ### Description
 ```ceil()```  returns a value equal to the nearest integer that is greater than or equal to ```x```.

glossary/clamp/README.md

@@ -14,11 +14,11 @@ vec4 clamp(vec4 x, float minVal, float maxVal)
 ```
 
 ### Parameters
-```x``` specify the value to constrain.
+```x``` specifies the value to constrain.
 
-```minVal``` specify the lower end of the range into which to constrain x.
+```minVal``` specifies the lower end of the range into which to constrain x.
 
-```maxVal``` specify the upper end of the range into which to constrain x.
+```maxVal``` specifies the upper end of the range into which to constrain x.
 
 ### Description
 ```clamp()``` returns the value of ```x``` constrained to the range ```minVal``` to ```maxVal```. The returned value is computed as ```min(max(x, minVal), maxVal)```.

glossary/cos/README-ua.md

@@ -1,21 +0,0 @@
-## cos
-Повертає косинус параметра
-
-### Оголошення
-```glsl
-float cos(float angle)  
-vec2 cos(vec2 angle)  
-vec3 cos(vec3 angle)  
-vec4 cos(vec4 angle)
-```
-
-### Параметри
-**```angle```** — величина в радіанах, косинус якої потрібно повернути.
-
-### Опис
-**```cos()```** повертає тригонометричний косинус кута.
-
-<div class="simpleFunction" data="y = cos(x);"></div>
-
-### Дивіться також
-[acos](/glossary/?lan=ua&search=acos), [sin](/glossary/?lan=ua&search=sin), [asin](/glossary/?lan=ua&search=asin), [tan](/glossary/?lan=ua&search=tan), [atan](/glossary/?lan=ua&search=atan), [Розділ 05: Формотворчі функції](/05/?lan=ua)

glossary/cos/README-vi.md

@@ -1,21 +0,0 @@
-## Cos
-Tính hàm cosine của 1 góc lượng giác
-
-### Các phiên bản
-```glsl
-float cos(float angle)  
-vec2 cos(vec2 angle)  
-vec3 cos(vec3 angle)  
-vec4 cos(vec4 angle)
-```
-
-### Các tham số
-```angle``` góc lượng giác (đơn vị radian) cần tính cosine
-
-### Mô tả
-```cos()``` trả về giá trị cosine tương ứng với góc ```angle```
-
-<div class="simpleFunction" data="y = cos(x); "></div>
-
-### Tham khảo thêm
-[acos](/glossary/?lan=vi&search=acos), [sin](/glossary/?lan=vi&search=sin), [asin](/glossary/?lan=vi&search=asin), [tan](/glossary/?lan=vi&search=tan), [atan](/glossary/?lan=vi&search=atan), [Các hàm số cơ bản (Hàm hình dạng - Shape function)](/05/?lan=vi)

glossary/cos/README.md

@@ -1,21 +0,0 @@
-## Cos
-Return the cosine of the parameter
-
-### Declaration
-```glsl
-float cos(float angle)  
-vec2 cos(vec2 angle)  
-vec3 cos(vec3 angle)  
-vec4 cos(vec4 angle)
-```
-
-### Parameters
-```angle``` specify the quantity, in radians, of which to return the cosine.
-
-### Description
-```cos()``` returns the trigonometric cosine of angle.
-
-<div class="simpleFunction" data="y = cos(x); "></div>
-
-### See Also
-[acos](/glossary/?search=acos), [sin](/glossary/?search=sin), [asin](/glossary/?search=asin), [tan](/glossary/?search=tan), [atan](/glossary/?search=atan), [Chapter 05: Shaping Functions](/05/)

glossary/degrees/README.md

@@ -10,7 +10,7 @@ vec4 degrees(vec4 radians)
 ```
 
 ### Parameters
-```radians``` specify the quantity, in radians, to be converted to degrees.
+```radians``` specifies the quantity, in radians, to be converted to degrees.
 
 ### Description
 ```degrees()``` converts a quantity, specified in radians into degrees. That is, the return value is ```(180.0*radians)/PI```

glossary/equal/README.md

@@ -13,9 +13,9 @@ bvec4 equal(ivec4 x, ivec4 y)
 ```
 
 ### Parameters
-```x``` Specifies the first vector to be used in the comparison operation.
+```x``` specifies the first vector to be used in the comparison operation.
 
-```y``` Specifies the second vector to be used in the comparison operation.
+```y``` specifies the second vector to be used in the comparison operation.
 
 ### Description
 ```equal()``` returns a boolean vector in which each element ```i``` is computed as ```x[i] == y[i]```.

glossary/exp/README.md

@@ -10,7 +10,7 @@ vec4 exp(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value to exponentiate.
+```x``` specifies the value to exponentiate.
 
 ### Description
 ```exp()``` returns the natural exponentiation of ```x```.

glossary/exp2/README.md

@@ -10,7 +10,7 @@ vec4 exp2(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value of the power to which 2 will be raised.
+```x``` specifies the value of the power to which 2 will be raised.
 
 ### Description
 ```exp2()``` returns 2 raised to the power of ```x```.

glossary/floor/README.md

@@ -10,7 +10,7 @@ vec4 floor(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value to evaluate.
+```x``` specifies the value to evaluate.
 
 ### Description
 ```floor()``` returns a value equal to the nearest integer that is less than or equal to ```x```.

glossary/fract/README.md

@@ -10,7 +10,7 @@ vec4 fract(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value to evaluate.
+```x``` specifies the value to evaluate.
 
 ### Description
 ```fract()``` returns the fractional part of ```x```. This is calculated as ```x - floor(x)```.

glossary/inversesqrt/README.md

@@ -10,7 +10,7 @@ vec4 inversesqrt(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value of which to take the inverse of the square root.
+```x``` specifies the value of which to take the inverse of the square root.
 
 ### Description
 ```inversesqrt()``` returns the inverse of the square root of  ```x```.

glossary/log/README.md

@@ -10,7 +10,7 @@ vec4 log(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value of which to take the natural logarithm.
+```x``` specifies the value of which to take the natural logarithm.
 
 ### Description
 ```log()``` returns the natural logarithm of ```x```.

glossary/log2/README.md

@@ -10,7 +10,7 @@ vec4 log2(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value of which to take the base 2 logarithm.
+```x``` specifies the value of which to take the base 2 logarithm.
 
 ### Description
 ```log2()``` returns the base 2 logarithm of ```x```.

glossary/max/README.md

@@ -14,9 +14,9 @@ vec4 max(vec4 x, float y)
 ```
 
 ### Parameters
-```x``` specify the first value to compare.
+```x``` specifies the first value to compare.
 
-```y``` specify the second value to compare.
+```y``` specifies the second value to compare.
 
 ### Description
 ```max()``` returns the maximum of the two parameters. It returns ```y``` if ```y``` is greater than ```x```, otherwise it returns ```x```.

glossary/min/README.md

@@ -14,9 +14,9 @@ vec4 min(vec4 x, float y)
 ```
 
 ### Parameters
-```x``` specify the first value to compare.
+```x``` specifies the first value to compare.
 
-```y``` specify the second value to compare.
+```y``` specifies the second value to compare.
 
 ### Description
 ```min()``` returns the minimum of the two parameters. It returns ```y``` if ```y``` is less than ```x```, otherwise it returns ```x```.

glossary/mix/README.md

@@ -14,11 +14,11 @@ vec4 mix(vec4 x, vec4 y, float a)
 ```
 
 ### Parameters
-```x``` Specify the start of the range in which to interpolate.
+```x``` specifies the start of the range in which to interpolate.
 
-```y``` Specify the end of the range in which to interpolate.
+```y``` specifies the end of the range in which to interpolate.
 
-```a``` Specify the value to use to interpolate between x and y.
+```a``` specifies the value to use to interpolate between x and y.
 
 ### Description
 ```mix()``` performs a linear interpolation between ```x``` and ```y``` using ```a``` to weight between them. The return value is computed as ```x×(1−a)+y×a```.

glossary/mod/README.md

@@ -14,8 +14,8 @@ vec4 mod(vec4 x, float y)
 ```
 
 ### Parameters
-```x``` specify the value to evaluate.
-```y``` specify the value to obtain the modulo of.
+```x``` specifies the value to evaluate.
+```y``` specifies the value to obtain the modulo of.
 
 ### Description
 ```mod()``` returns the value of ```x``` modulo ```y```. This is computed as ```x - y * floor(x/y)```.

glossary/pow/README.md

@@ -10,9 +10,9 @@ vec4 pow(vec4 x, vec4 y)
 ```
 
 ### Parameters
-```x``` specify the value to raise to the power ```y```.
+```x``` specifies the value to raise to the power ```y```.
 
-```y``` specify the power to which to raise ```x```.
+```y``` specifies the power to which to raise ```x```.
 
 ### Description
 ```pow()``` returns the value of ```x``` raised to the ```y``` power.

glossary/radians/README.md

@@ -10,7 +10,7 @@ vec4 radians(vec4 degrees)
 ```
 
 ### Parameters
-```degrees``` specify the quantity, in degrees, to be converted to radians.
+```degrees``` specifies the quantity, in degrees, to be converted to radians.
 
 ### Description
 ```radians()``` converts a quantity, specified in degrees into radians. That is, the return value is ```(PI * degrees)/180```.

glossary/sign/README.md

@@ -10,7 +10,7 @@ vec4 sign(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value from which to extract the sign.
+```x``` specifies the value from which to extract the sign.
 
 ### Description
 ```sign()``` returns -1.0 if x is less than 0.0, 0.0 if x is equal to 0.0, and +1.0 if x is greater than 0.0.

glossary/sqrt/README.md

@@ -10,7 +10,7 @@ vec4 sqrt(vec4 x)
 ```
 
 ### Parameters
-```x``` specify the value of which to take the square root.
+```x``` specifies the value of which to take the square root.
 
 ### Description
 ```sqrt()``` returns the square root of ```x```.

glossary/step/README.md

@@ -16,7 +16,7 @@ vec4 step(float edge, vec4 x)
 ### Parameters
 ```edge``` specifies the location of the edge of the step function.
 
-```x``` specify the value to be used to generate the step function.
+```x``` specifies the value to be used to generate the step function.
 
 ### Description
 ```step()``` generates a step function by comparing ```x``` to ```edge```.

glossary/struct/README.md

@@ -17,4 +17,4 @@ newMaterial = matStruct(vec4(0.1, 0.1, 0.1, 1.0),
 ```
 
 ### Description
-```struct``` declare a custom data structures based on standard types. A constructor for the structure with the same name is created automatically. The declaration of a variable (in this case "newMaterial") is optional.
+```struct``` declares a custom data structure based on standard types. A constructor for the structure with the same name is created automatically. The declaration of a variable (in this case "newMaterial") is optional.

glossary/tan/README.md

@@ -10,7 +10,7 @@ vec4 tan(vec4 angle)
 ```
 
 ### Parameters
-```angle``` specify the quantity, in radians, of which to return the tangent.
+```angle``` specifies the quantity, in radians, of which to return the tangent.
 
 ### Description
 ```tan()``` returns the trigonometric tangent of angle.