truncation function

noun
UK /trʌŋˈkeɪʃən ˈfʌŋkʃən/
US /trʌŋˈkeɪʃən ˈfʌŋkʃən/

A truncation function is a math rule that cuts off the extra decimal part of a number.

Using a truncation function, 3.9 becomes 3.


OTHER MEANINGS

2. In computer science, a function that shortens a string or data to a set length.

The truncation function shortened the long text to fit the screen.

3. A function that limits a value to a maximum size.

The truncation function capped the number at 100.

4. A rule that removes the fractional part of a number toward zero.

The truncation function turned -2.7 into -2.