- Premium licenseMore info
- File type:JPGHow to edit?
- Any issue found?
The mathematical sign or symbol for Pi on a blackboard.
Related tags:
- calculus
- math class
- math teacher
- mathematics background
- math
- math formula
- algebra
- mathematical
- arithmetic
- chalkboard
- class
- blackboard
- school blackboard
- mathematical symbols
- teacher teaching
- math symbols
- teaching
- professor teachers
- lesson
- professor
- school class
- mathematical formula
- class background
- formula
- students in class
- school exam
- university
- pi
- education
- student exam
- university class
- school teacher
- university background
- background teachers
- education frame
