OctaruleꞨ Octal Cash Register
Built for sellers who think in octal. Ring up totals, track items, and make 10₈ feel like home. Octacash keeps it simple, sharp, and base-8 smart.
Ꞩ Octal Cash Register
Welcome to the Ꞩ Octal Cash Register — a simple but powerful tool for calculating base-8 change using the Octal System.
This app helps you:
- Add up a total (in octal)
- Input the amount received (also in octal)
- Press Calculate Change to instantly see the coins and bills needed
The system is based on a logical set of denominations:
- Ꞩ1, Ꞩ4, Ꞩ10, Ꞩ20, Ꞩ40, Ꞩ100
- It takes fewer dimes and nickels to make a full Ꞩ1, but the same number of quarters. That’s the balance of octal: simpler math, same rhythm.
Did You Know?
- The symbol Ꞩ is Unicode U+A7A8 — a perfect accident of history that just feels octal.
- Change calculations are limited to 500 units to prevent bill overflow.
- The
0and.keys are placed side by side — no leap frog needed. Most keypads put them far apart, but this one keeps them right under your fingers where they belong.
Hidden Rhythms:
- There's no second keypad to learn, unless you realy want 0 and the period up high.
- The layout is subtly optimized for fast base-8 mental math — ideal for octal merchants and thinkers. Less keys, faster input.