# User:MathMartin/Styleguide

## Language[edit]

"An unitary" or "an union" or "an university" were used in the 18th century, but now "a" rather than "an" is standard when the initial sound is "yoo".

## Naming convention[edit]

## HTML math[edit]

### Minus sign[edit]

Use [−1,1] instead of [-1,1]. The little hyphen is too short to be a minus sign.

## TeX[edit]

### Colon[edit]

instead of

### Mapping arrows[edit]

When you want to define the domain and codomain of the mapping use

but when you define the actual mapping function use

### Standard function names[edit]

Use

instead of

to prevent the function names from looking like a variable.

### Imaginary unit[edit]

The imaginary unit i should not be confused with the common variable *i*. So to make the imaginary unit look different it is better to write

than

### Embedded fractions[edit]

When a fraction is in a superscript or otherwise deeply embedded within some other notation, it is often more legible like this

than like this

### Spacing[edit]

#### Integrals[edit]

Use

rather than

#### Sets defined by using braces[edit]

This is another place where small spacing adjustments make notation look better. This

is better than this

Rate of change: The relationship between two numbers that are changing. To find it, you must divide.
Formula: change in dependent variable/change in independent variable.
Information by Daron Brown.

Probability: tells how likely something will happan. ex. The probability of a die landing on 4. Information by Daron Brown.

Equation: a math sentence that has an equal sign. ex. x + 3 = 10