Ratio
a notepad that calculates as you type
About
Ratio is a lightweight notepad calculator that works on Mac, Windows, and Linux. It evaluates expressions, currencies, units, dates, and time zones instantly as you type, displaying results in the same document. Unlike traditional calculators, it combines a text editor with real‑time computation, making it ideal for quick calculations while drafting.
The case
Who it is for
Software developers who need instant calculations while coding or writing documentation.
What is broken today
Before Ratio, when typing numbers or expressions in a plain text file, users had to switch to a separate calculator or copy the data into a spreadsheet. Converting currencies, units, dates, or time zones required manual lookup or separate tools, slowing down the writing flow.
What it does about it
Ratio embeds a lightweight parser that watches the text as you type. Whenever it detects a mathematical expression, currency pair, unit conversion, date arithmetic, or time‑zone offset, it evaluates it immediately and displays the result inline, keeping the workflow uninterrupted.
Why not the obvious alternative
Unlike standalone calculators or spreadsheets, Ratio keeps the user in a single document and supports multiple data types out of the box. It doesn’t require copy‑paste or manual lookup; the results appear instantly in the same notepad, allowing seamless editing and calculation.
Details
Considered instead of
Named by the maker, not measured by us. It tells you what this is competing with, not which one wins.
Questions
- Is Ratio free?
- Pricing details are not provided on the homepage; you may need to contact the team for more information.
- What platforms does Ratio support?
- Ratio runs on Mac, Windows, and Linux.
- Does Ratio support currency conversion?
- Yes, it evaluates currency pairs instantly as you type.
- Can Ratio convert units?
- Yes, it handles unit conversions inline within the notepad.
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