How to use decimal
Get to know decimal numbers
Decimal is based on a floating-point number and often used to represent certain mount of money.
import decimal # ww w . j av a 2 s . c om
print decimal.Decimal('1.1')
print decimal.Decimal(1)
print decimal.Decimal(1.1)
dec = decimal.Decimal('.1')
print dec + decimal.Decimal('1.0')
print dec + decimal.Decimal('1.0')
print decimal.Decimal(1) / decimal.Decimal(7)
Decimal vs float during Arithmetic calculation
from decimal import *
# w ww . j a v a 2 s. co m
print Decimal('0.70') * Decimal('1.05')
print .70 * 1.05
print Decimal('1.00') % Decimal('.10')
print 1.00 % 0.10
print sum([Decimal('0.1')]*10) == Decimal('1.0')
print sum([0.1]*10) == 1.0
The code above generates the following result.
