# CT_NUMNOT

``` NUMNOT()
Performs a 16-bit "NOT" of a number
------------------------------------------------------------------------------
Syntax

NUMNOT(<nWORD|cHexWORD>) --> nNegatedWORD

Argument

<nWORD|cHexWORD>  Designates either a decimal number or hexadecimal
digit string.

Returns

NUMNOT() returns the negated binary value of the <.nWORD|cHexWORD>
parameter.  The 0 bits become 1, and 1 bits become 0.

Description

This function is especially useful with file attributes, error codes,
and when you manipulate bit fields.

Notes

.  The function returns the 1's complement of a number.

.  An invalid parameter returns a result of -1.

Example

Show the 1's complement of a number:

The number:         00000101  00000000
The complement:     11111010  11111111
? NUMNOT(5)         // Result: 65530```

# Tools – Numbers/Bit Manipulation

```Introduction
BITTOC()     Converts position-dependent bits into characters
CELSIUS()    Converts a Fahrenheit temperature value into Celsius
CLEARBIT()   Clears one or more bits within a number to zero
CTOBIT()     Converts a character string into a bit pattern
CTOF()       Converts a special 8-byte string into a floating point number
CTON()       Converts a numeric string into a different base
EXPONENT()   Determines the exponent of a floating point number (base 2)
FAHRENHEIT() Converts a temperature value from Celsius into Fahrenheit
FTOC()       Converts a floating point number into a special 8-byte string
INFINITY()   Creates the largest number possible (21023)
INTNEG()     Converts an unsigned integer into a signed integer
INTPOS()     Converts a signed integer into an unsigned integer
ISBIT()      Tests the bits in a number
LTON()       Converts a logical value into a numeric value
MANTISSA()   Determines the mantissa of a floating point number (base2)
NTOC()       Converts numbers in a digit string into a different number base
NUMAND()     Performs a 16-bit "AND" of a list of numbers
NUMCOUNT()   Uses the internal CA-Clipper Tools counter
NUMHIGH()    Returns the higher value byte in a 16-bit number
NUMLOW()     Returns the lower value byte in a 16-bit number
NUMMIRR()    Mirrors 8-bit or 16-bit values
NUMNOT()     Performs a 16-bit "NOT" of a number
NUMOR()      Performs a 16-bit "OR" of a list of numbers
NUMROL()     Performs a 16-bit left rotation of a number
NUMXOR()     Performs a 16-bit "XOR" of two numbers
RAND()       Generates random numbers
RANDOM()     Generates random numbers
SETBIT()     Sets one or more bits in a number```