First, ABS
ABS (x)
Returns the absolute value of X
Second, Bin/oct/hex
BIN (x)
Returns the binary of X (Oct returns octal, HEX returns hex)
Third, Ceiling/floor
CEILING (x): Returns the smallest integer value greater than X
Floor (x): Returns the maximum integer value less than x
Four, EXP
EXP (x)
The X-square of the return value E (the base of the natural logarithm)
Wu, Greatest/least
Greatest (x1,x2,..., xn): Returns the largest value in the collection
LEAST (x1,x2,..., xn): Returns the smallest value in the collection
VI, LN
LN (x)
Returns the natural logarithm of X
Seven, LOG
LOG (x, y)
Returns the Y-base logarithm of X
Eight, MOD
MOD (x, y)
Returns the modulus (remainder) of x/y
Nine, PI
PI ()
Returns the value of Pi (pi)
Ten: RAND
RAND ()
Returns a random value from 0 to 1, which enables the rand () random number generator to generate a specified value by providing a parameter (seed).
Xi. ROUND
ROUND (x, y)
Returns the rounding of parameter x with a value of y decimal place
12, TRUNCATE
TRUNCATE (x, y)
Returns the result of a number x truncated to Y decimal places
13. Sign
Sign (x)
Returns the value of the symbol representing the number X
14, SQRT
SQRT (x)
Returns the square root of a number
MySQL math function