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LiveBook
The Pocket Polymath
Editor's pick
The Pocket Polymath
A universal calculator with 240+ unit conversions.
By Dr Ada Lovelace
$4.99
one-time
About this LiveBook
One page. Every calculator you keep forgetting you needed. Arithmetic, scientific, financial, statistical, time-zone, unit conversions — and a converter for currencies that updates whenever you open it. Tap a result to keep working with it.
What's inside
5 interactive tools
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Calculator
Inline arithmetic + scientific calculator.
Function grapher
Plot any function in 2D — pan, zoom, trace.
Equation solver
Algebraic + numeric solving, step-by-step.
Unit converter
240+ units across every measurement system.
Statistical sandbox
Run tests, fit distributions, drop in CSV.
Why LiveBooks
- ✓ Everything runs right in your browser — no setup, no install
- ✓ Lifetime updates as the author adds new chapters and tools
- ✓ Your state stays — bookmarks, parameters, notes