restricted variable

noun
UK /rɪˈstrɪktɪd ˈveəriəbl/
US /rɪˈstrɪktɪd ˈveriəbl/

A restricted variable is a number or thing in a math problem that can only be certain values.

In the equation, x is a restricted variable because it must be greater than zero.


OTHER MEANINGS

2. In programming, a restricted variable is a variable that can only be changed in certain ways or by certain parts of a program.

The password is stored in a restricted variable that only the login function can read.

3. In statistics, a restricted variable is one whose possible values are limited by the study's rules.

Age was a restricted variable, so only adults were included in the survey.

4. In everyday language, a restricted variable is any factor that is not allowed to change freely.

Budget was a restricted variable in their travel plans.