# calculus
## Noun (N)
### Sense: a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
- ก้อนหินปูน
### Sense: an incrustation that forms on the teeth and gums
- หินปูน
### Sense: the branch of mathematics that is concerned with limits and with the differentiation and integration of functions
- แคลคูลัส