Mathematical study of change; "small pebble"

The first hint to crack the puzzle «Mathematical study of change; "small pebble"» is:

It is a word which contains 8 letters

The second hint to crack the puzzle «Mathematical study of change; "small pebble"» is:

It starts with letter C

C

The third hint to crack the puzzle «Mathematical study of change; "small pebble"» is:

It ends with letter S

C s

Looking for extra hints for the puzzle «Mathematical study of change; "small pebble"»:

Click on any empty tile to reveal a letter

C a l c u l u s

The answer for the puzzle «Mathematical study of change; "small pebble"» is:

C a l c u l u s

Return to Group 56

Puzzle 4

Small flying insect that bites and sucks blood

Pad of paper used to write information down

Helmut Ruska set the basis for the __ microscope

To soak food in seasoning before cooking

We get less of this in autumn, compared to summer

Unsettles, disturbs

Deep blue; the birthstone of September

Coffee extracted in small, concentrated amounts

Aerial military combat; no canines to be seen