The Calculators and the types.

 

The Calculators and the types.

Calculators have been a part of human assistance since ancient time. As human beings we all calculate using our fingers. Fingers calculation is the most common of all. That’s something we start with as a child.

Abacus has been used as a calculator with the beads embedded in a rod that slides and used in performing mathematical calculations addition, subtraction and multiplication. Even abacus have been of different types. And it is the oldest of all calculation tools.

ABACUS is an acronym in which

1. A stands for Abundant
2. B stands for Beads
3. A stands for Addition
4. C stands for Calculation
5. U stands for Utility
6. S stands for System

The Abacus that is similar to the rod and beads that I found at our home which though we did not use but was used by the

Pic: courtesy google

 

Here’s above a picture of an abacus that’s in our home since years now. A handcrafted abacus with a wooden frame on all four sides with 10 lines of thin rod containing plastic beads. However, this picture shows the present form in which 2 lines are completely missing and in the third the beads are missing. Though I am trying to re assemble this to it’s original form. And will soon do that.

 

The manual calculators used since long and is also been used in many areas now a days also who do not use a computer or a mobile for the purpose but feel comfortable with a manual one.

This is a manual digital casio calculator used across various users. This is also one that I found at home.

 

An orpat mini handy pocket calculator that I used once upon a time.

 

This is a sharp pocket calculator which dates back to around three decades being at home and now I have it with me. Just thought of what to do with these and it looks like they have become antique pieces.

Now we don’t even require a calculator because the mobile and computer/Laptop comes with the features that can be easily used on the move.

 

 

 

Below is a LAPTOP CALCULATOR that’s the modern calculator used by all laptop or computer users.

 

 

Mobile Phone Calculator that comes handy with every phone and has been used by all mobile users.

A mobile these days have so many features that we hardly need to carry a manual one just a mobile phone suffices all.

Apart from the usage of these above ways human brain Is indeed the best calculator that is used all by itself without the help of any of these and no matter to some extent we all use our brain to calculate as much as we can lest we take help of these when we want to.