Number Functions

ROUND : Round values to specified decimal
TRUNC : Truncates values to specified decimal
MOD : Returns remainder of division

Function	Result
ROUND (45.926, 2)	45.93
TRUNC (45.926, 2)	45.93
MOD (1600, 300)	100

Select round (45.926, 2), trunc (45.926, 2), mod (1600,300)
From dual;