1/3+1/6; 18!; Factor(%); isprime(243); gcd(60,48); binomial(1000,500); binomial(1000,500)-1000!/500!^2; bin:=binomial(20,k)*(1/3)^k*(2/3)^(20-k) $ k=0..20; _plus(%); binf:=float(binomial(20,k)*(1/3)^k*(2/3)^(20-k)) $ k=0..20; _plus(%); exp(PI*sqrt(163)); E^(PI*sqrt(163)); float(%); DIGITS:=100: float(E^(PI*sqrt(163))); exp(I*PI); float((exp(I*PI/6)-exp(-I*PI/6))/(2*I)); -40*infinity+350;