# Values

Rell offers various data types for managing information in your dapps. Here's an overview of the fundamental types you'll use.

### Simple values

**Null**: Represents the absence of a value. It has its own distinct type,`null`

.**Boolean**: Represents logical values, either`true`

or`false`

. Employ them for conditional logic and decision-making.**Integer**: Represents whole numbers, both positive and negative, like`123`

,`0`

, and`-456`

. Use them for counting, indexing, and mathematical operations.**Text**: Represents sequences of characters, enclosed in either single quotes (`'Hello'`

) or double quotes (`"World"`

). Store and manipulate text data effectively.**Byte array**: Represents a sequence of bytes, essential for handling binary data. Prefix them with`x'`

for single quotes or`x"`

for double quotes (e.g.,`x'1234'`

,`x"ABCD"`

).**Big integer**: Represents arbitrarily large whole numbers, denoted by a suffix of`L`

(e.g.,`9223372036854775832L`

). Handle massive numerical values with ease.**Decimal**: Represents numbers with decimal places, like`123.456`

. Crucial for precise calculations and financial applications.

### Text literals

**Standard**:`\r`

(carriage return),`\n`

(line feed),`\t`

(tab),`\b`

(backspace)**Special characters**:`\"`

(double quote),`\'`

(single quote),`\\`

(backslash)**Unicode**:`\u003A`

(e.g., represents a colon)