Floor Function ○◂｜appendage｜___｜20260628174208-03-•

x	Floor ⌊ x ⌋	Ceiling ⌈ x ⌉	Fractional part { x }
2	2	2	0
2.0001	2	3	0.0001
e	2	3	0.7182…
2.9	2	3	0.9
2.999	2	3	0.999
− π	−4	−3	0.8584…
−2	−2	−2	0

Examples

(echo:: @ ᯤ)