CS2130:Section 5.2

Symbols

Ceiling

$\lceil x\rceil$

Round up

Examples

1. $\lceil 5.999\rceil =6$
2. $\lceil 3.001\rceil =4$

Floor

$\lfloor x\rfloor$

Round down

Examples

1. $\lfloor 5.999\rfloor =5$
2. $\lfloor 3.001\rfloor =3$

Modulus

$\%$

Integer remainder from division

Example

1. $7\%3=1$

Min

$\min(x,y)$

Gives the lowest number out of the two given

Example

1. $\min(1,2)=1$

Max

$\max(1,2)$

Gives the highest number out of the two given

Example

1. $\max(1,2)=2$

A Hash

For the purpose of this class, a hash is effectively a modulus