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Math.GetBit

Queries a bit in a 64-bit number.

Component Version macOS Windows Linux Server iOS SDK
Math 15.3 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "Math.GetBit"; Value; Bit )   More

Parameters

Parameter Description Example
Value The current value. 0
Bit The bit number to set.
From 0 to 63.		 0

Result

Returns number or error.

Description

Queries a bit in a 64-bit number.
Returns 1 if bit is set or 0 if not.

Examples

Query first 8 bits:

MBS( "Math.GetBit"; 123; 0 ) &
MBS( "Math.GetBit"; 123; 1 ) &
MBS( "Math.GetBit"; 123; 2 ) &
MBS( "Math.GetBit"; 123; 3 ) &
MBS( "Math.GetBit"; 123; 4 ) &
MBS( "Math.GetBit"; 123; 5 ) &
MBS( "Math.GetBit"; 123; 6 ) &
MBS( "Math.GetBit"; 123; 7 )

Example result: 11011110

Calculate Math.GetBit manually using shift and and:

Let([
    value = 123;
    bitIndex = 3;
    bit1 = MBS("Math.GetBit"; value; bitIndex );
    mask = MBS("Math.BitwiseShiftLeft"; 1; bitIndex);
    valueMasked = MBS("Math.BitwiseAND"; value; mask);
    bit2 = (valueMasked ≠ 0)
];
bit1 & ¶ & bit2)

Example result:
1
1

See also

Release notes

  • Version 15.3
    • Added Math.SetBit, Math.ClearBit and Math.GetBit functions.

Blog Entries

This function is free to use.

Created 21st May 2025, last changed 22nd May 2025


Math.FormatNumber - Math.HexToDec