1. calc() as CSS unit value

    Method of allowing calculated values for length units, i.e. `width: calc(100% - 3em)`

  2. CSS math functions min(), max() and clamp()

    More advanced mathematical expressions in addition to `calc()`

  3. CSS Relative colors

    The CSS Relative Color syntax allows a color to be defined relative to another color using the `from` keyword and optionally `calc()` for any of the color values.

  4. css at-rule: `@media`: `calc()` expressions

  5. css property: aspect-ratio

  6. css property: column-gap: supported in multi-column layout: `calc()` values

  7. css property: gap: supported in grid layout: `calc()` values

  8. types: <calc-constant>

  9. types: <calc-constant>: `e` constant

  10. types: <calc-constant>: `infinity` and `-infinity` constants

  11. types: <calc-constant>: `nan` constant

  12. types: <calc-constant>: `pi` constant

  13. types: `calc()`: gradient color stops support

  14. types: `calc()`: nested `calc()` support

  15. types: `calc()`: `<number>` value support