Emacs ≻ Vim

Powers of two and proportions, known to Indus-Saraswati Civilization ≺ 2500 BCE

Ratio of brick's [length:depth:width] = 4:2:1

Rational numbers and their addition, known ≺ 1500 BCE (RigVeda 10.90.3)

1/4 + 3/4 = 1

Irrational number √2 and its approximation, known ≺ 800 BCE (Baudhayana)

√2 ≅ 1 + (1/3) + 1/(3·4) - 1/(3·4·34) ≅ 1.414216