Smart Convert vs Dozenal Calc

Smart Convert converts numbers between any bases from 2 to 62 — all on one screen. Type a value and the results for your pinned bases appear instantly. Whether you're debugging hex, learning binary, or curious about base 36 and base 62, just tap a result to copy it. KEY FEATURES • One screen for everything: pick the input base, type a value, and see every result as a card • Bases 2 to 62: binary, octal, decimal and hex by default — pin any other base to add it to your results • No digit limit: arbitrary-precision math converts huge numbers (well beyond 64 bits) exactly, with no rounding • Tap to copy: tap a result card to copy it. Touch and hold to copy with separators or a prefix (0x, 0b, 0o), or to use the value as your new input • Forgiving input: paste values with prefixes like 0x, spaces or underscores as separators, or full-width digits • Fractions and negative numbers: choose 8, 16 or 32 digits for fractions that don't terminate • History: values are saved automatically — tap one to bring it back to the converter • Light & Dark themes: follow the system or choose your own • Localized in 9 languages, on iPhone and iPad DESIGNED FOR • Software engineers working with hex, binary, or unusual encodings • Computer science students learning number systems • Math enthusiasts curious about base 36, base 62, and beyond • Anyone who needs a quick, reliable converter HOW TO USE 1. Choose the input base above the input field 2. Type a value — results for your pinned bases appear instantly 3. Tap a result to copy it, or touch and hold for more options 4. Use "Add base" to pin any base from 2 to 62 Free to use, with an optional in-app purchase to remove ads. No account needed. Ads are provided by Google AdMob. On first launch, the app asks for permission to track for personalized ads — every feature works whether or not you allow it.

A "dozenal calculator" — a scientific calculator that computes not in tens, but in twelves. With its own symbols for the digits. What base 12 can do that base 10 can't In the decimal system, 1/3 is an infinite repeating fraction (0.333…). In base 12 it's short and exact: 0.4. Sixths, ninths, and every fraction whose denominator is built from twos and threes also become finite in dozenal. No coincidence: twelve has six divisors, ten only four. Dozenal Calc computes exactly — a rational track runs in parallel with floating-point arithmetic. Repeating fractions appear with a bar over the recurring digits, for example 1/7 as 0.186A3 with a repetend bar. Features • Basic arithmetic, parentheses, signs • Power, square root, nth root, logarithm to any base • Trigonometric and hyperbolic functions including their inverses • Constants π, e, φ, √2; factorial, absolute value, reciprocal, modulo • Parallel addition (a⊕b) for resistor circuits • Memory (STO/RCL/MC) with exact rational preservation • Angle modes DEG / RAD / GRAD • Numeral-system switch (base 12/10) in the settings — input AND result, applies to both calculators • Light and dark theme Unit converter One swipe to the left opens the second calculator: it converts imperial and metric units into one another — length, area, volume, weight, time, angle, money (£/sh/d), temperature and more. Compound entries like 3 ft 5 in, breakdown into part units, and math right inside the entry (× ÷ ⊕ ^ √ log) with memory and constants. Results travel between the two calculators at the press of a key. A color code keeps the worlds apart: green for the world of ten (metric, base 10), violet for the world of twelve (imperial, base 12). Hands-on theory — now with pictures A richly illustrated read explains why twelve in particular is a special number, in three blocks: • Twelve and the World — from the dodecagon and dodecahedron through pyrite, garnet, viruses and quasicrystals to music, art, architecture and calendars • Dozenal Mathematics — divisors and periods, the number bases compared, a history of place-value systems • Dozenal Society — the movement for twelve, new digits for ten and eleven, the TGM measurement system and related dozenal calculators Many chapters show public-domain historical illustrations — from Haüy's pyrite plate through Leonardo's dodecahedron to Vermeer's balance — each with a tappable source citation. Plus a dedicated unit theory on measure and number, two illustrated operating manuals for both calculators, and recommendations for dozenal-friendly calculators on every platform. Fourteen languages Deutsch, English, Français, Español, Italiano, فارسی, Русский, Gaeilge, हिन्दी, 简体中文, 繁體中文, Cymraeg, 日本語, العربية — freely selectable in the info menu. What Dozenal Calc doesn't do • No ads, no tracking, no analytics • No internet connection, no permissions • No personal data The app works completely offline. What you type stays on your device. Who is it for? For teachers who want to show how a different number system transforms everyday work with fractions — and for anyone who wants to see mathematics from an unfamiliar perspective. License: MIT. Contact: dozenal@weltanschauung.app