Alphabet — Data storage
InventTable — ALPHABET ERA — Data storage
Invention | Description | Year | Inventor | Country |
True alphabet | including vowels | 700 BCE | Greece (35) | |
Musical notation | 700 BCE | India | ||
Geometry | shapes and math | 500 BCE | Pythagoras | Greece |
Pen | improved ink | 350 BCE | India/Egypt | |
Comprehensive star chart | 150 BCE | Hipparchus of Nicaea | Rhodes, Greece | |
Parchment | animal skin for writing | 150 BCE | Pergamum, Turkey | |
Book | bound parchment | 150 BCE | Pergamum, Turkey | |
Calendar | days, months, years | 45 BCE | Julius Caesar/Gregory XIII | Rome |
Encyclopedia | 77 AD | Pliny the Elder | Rome | |
Wood block printing | on paper | 220 AD | China | |
Decimal point | 400 AD | India | ||
Trigonometry | math angles | 450 AD | Siddhantas | India |