chop.dive(d, tim)
depths.dive(d)
is.dive(x)
is.gas(x)
is.rate(x)
nitroxname(fO2)
## S3 method for class 'gas':
print(x, \dots)
## S3 method for class 'rate':
print(x, \dots)
## S3 method for class 'summary.dive':
print(x, \dots)
## S3 method for class 'summary.gas':
print(x, \dots)
rate(speed, time, up)
## S3 method for class 'dive':
summary(object, \dots)
## S3 method for class 'gas':
summary(object, \dots)
times.dive(d)
timetaken(start, finish, uprate, downrate)