2.3    # 2.2999999999999998
.3     # 0.29999999999999999
.3e4   # 3000.0
.3e+34 # 2.9999999999999998e+33
.3e-34 # 2.9999999999999999e-35
2.e34  # 1.9999999999999999e+34