working variable
nounUK /ˈwɜːkɪŋ ˈveəriəbl/
US /ˈwɜːrkɪŋ ˈveriəbl/
A working variable is a number or value that you change or use while you are solving a problem.
In the equation, x is a working variable that changes as you solve it.
OTHER MEANINGS
2. In computer programming, a working variable is a temporary storage spot used during a calculation.
The program uses a working variable to hold the sum before printing it.
3. In science experiments, a working variable is the factor you adjust during the test.
The scientist changed the working variable to see how the plant grew.
4. In math class, a working variable is a letter that stands for a number you are still figuring out.
She wrote a working variable on the board to represent the missing amount.