## Quick Reference

In real analysis, a constant function is a real function *f* such that *f*(*x*)=*a* for all *x* in **R**, where *a*, the value of *f*, is a fixed real number.

*Subjects:*
Mathematics.

## Related content in Oxford Index

##### Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.