Then and Now: Classroom learning

 Then:

From top to bottom: A black chalk board, A teacher teaching students with a chalk board.
Image(s) Source: Google Images.

Now:

Students in an e-learning enabled classroom.
Image Source: Google Images.

N.B: Although this post tries to compare the then and now of classrooms, it should be noted that in some developing countries the changes are not yet common i.e. there are fewer e-learning classrooms in such places.
  Are these developments available in your country? Let us know through your comments.

Then and Now- Simple Arithmetic Calculation

Then:

Ancient Methods of Performing Simple Calculations.
Image Sources: Google Images
From left to right:
1. Pebbles 2.Strings 3.Counting board 4.Abacus 5.Napier's Bones.

Now:

Modern Tools for Performing Simple Calculations
Image(s) Sources: Google Images
From left to right:
1. Smart watch 2. Casio Calculator 3. Mobile phone

Distance Communication - Then and Now

Then:

Process of communicating then.
Image(s) Source: Google images.

Now:

Ways of communicating now.
Image(s) Source: Google Images.