<izabera> ` printf %s\\\\n LANG=en_NZ.UTF-8 \'f=$(find wisdom -path "wisdom/*${1,,}" -type f -print0 | shuf -z -n1); echo -n "${f#wisdom/}//" | rnooodl; rnooodl < "$f"\' > bin/wisdom

|a+b@| = { √(a²-b²) if a²-b² ≥ 0 ; i√(a²-b²) if a²-b² < 0 }