what mathematical operations can I do in mysql code example

Example: mysql mathematical functions

MySQL Mathem­atical Functions
ABS
COS
SIGN
SIN
MOD
TAN
FLOOR
ACOS
CEILING
ASIN
ROUND
ATAN, ATAN2
DIV
COT
EXP
RAND
LN
LEAST
LOG, LOG2, LOG10
GREATEST
POW
DEGREES
POWER
RADIANS
SQRT
TRUNCATE
PI