**Calculus Of One Real Variable**

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# Notations And Abbreviations

## Standard
Notations For Sets Of Numbers

**N** = set of positive integers (positive
integers are also called natural numbers, hence the “**N**”),

**Z**
= set of integers,

**Q**
= set of rational numbers,

**R**
= set of real numbers,

**C**
= set of complex numbers.

**Standard Notations For Operations On Sets**

### Abbreviations Used
In This Tutorial

dom = domain,

EOP = End Of Proof,

EOS = End Of Solution,

Eq. = Equation,

Eqs. = Equations,

Fig. = Figure,

Figs. = Figures,

iff = if and only if.

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