- 实变函数 shíbiànhánshù function of a real variablea function where the independent variables are real numbers
- 实变函数论 shíbiànhánshùlùn theory of functions of a real variable(mathematics) the branch of mathematical analysis dealing with functions of real variables
- 实变数 shíbiànshù real variablea variable that can take on any value within the set of real numbers
