math.exp(x) 1.0 2.71828182846 148.413159103 0.00673794699909 219695.988672 5.61729892442e-10 math.log(x[,base]) 0.0 1.0 5.0 -5.0 12.3 -12.3 3.0 2.0 2.16241359626 math.log10(x) 1.0 2.0 7.09076348983 -4.0 math.pow(x,y) 243.0 0.00411522633745 -243.0 -0.00411522633745 1.0 math.sqrt(x) 2.0 10.0 11.1534747949 0.0 constants 3.14159265359 2.71828182846