Calculators from the grandma's closet, did she ever calculate as I do

Importance of the calculators can well be gauged by the fact that almost all the modern gadgets, be it computer, cell phone, wristwatches or other digital devices, come incorporated with the prominent calculation features. If that's not enough, an accountant or a bank clerk can well explain the real value of a calculator or a calculating machine. It wouldn’t be wrong to say that calculators have simply turned out into an integral device of our life. Computing instruments are chiefly known for their rapid Calculating speed, but here is a collection of some really old mechanical calculators that not just helps in calculating (not sure with same speed and efficiency) but can also be used as antique showpieces to decorate your home. Not a pun, these old calculators are not too bad an option to own some multi-functional gadgets. Check out the picture gallery of some classical mechanical calculators after the jump.

old calculator

Picture Gallery

Ancient calculators

Via: Totalmania