Have you ever wondered how Arabic numbers as we know it have come to take its current shape and form? I have taken few minutes to create this simple graph that outlines the evolution of Hindu-Arabic numerals glyphs.
Notice that 1, 2, and 3 started as mere count of an object – a stick.
Number 4 probably meant a quadrant or dividing something into four.
Seven looks like it’s always been seven as we know it.