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çetele
Live notepad calculator with multi-currency math & offline
A free, offline-first notepad calculator. Evaluate math, multi-currency conversions (USD, EUR, TRY), Gram Altın gold rates, crypto (BTC, ETH, SOL), date arithmetic, and line references as you type.
Hey everyone! 👋
I’m super excited to share Çetele with you today!
The Problem:
Traditional calculators force you to press `=` over and over, losing your history as soon as you clear the screen. On
the flip side, opening Excel or Google Sheets for quick daily math, budget estimates, or currency conversions often
feels like overkill.
The Solution:
Çetele is a fast, notepad-style calculator that evaluates expressions line-by-line as you type. Think of it as a smart
scratchpad for your daily numbers.
Key Highlights:
- Line References & Running Totals: Refer back to previous lines using #1, L1, or prev, and calculate grand totals
with total.
- Live Multi-Currency, Gold & Crypto Math: Convert live rates on the fly ($100 to TRY, 1 gram gold to USD, 0.5 BTC to
EUR).
- Visual Sections & Subtotals: Group long documents into styled visual banners (=== Income ===) with sectional
subtotal calculation.
- Collapsible Section Blocks: Fold and unfold document sections in 1:1 synchronization between your editor and results.
- Widescreen Focus Mode: Expand the calculation area (Ctrl + B) to hide the sidebar for a distraction-free workspace.
- Local-First & Optional Cloud Sync: 100% offline usage out of the box (powered by IndexedDB) with optional Google
Cloud Sync across your devices.
- Instant URL Sharing: Share live calculations via shareable hash links.
I built Çetele to make everyday financial planning, unit conversions, and quick math feel completely effortless.
I’d love to hear your feedback, thoughts, or feature suggestions! What would make your calculation workflow even
better?
Thanks for checking it out! ❤️
About çetele on Product Hunt
“Live notepad calculator with multi-currency math & offline”
çetele was submitted on Product Hunt and earned 5 upvotes and 2 comments, placing #56 on the daily leaderboard. A free, offline-first notepad calculator. Evaluate math, multi-currency conversions (USD, EUR, TRY), Gram Altın gold rates, crypto (BTC, ETH, SOL), date arithmetic, and line references as you type.
On the analytics side, çetele competes within Productivity, Notes, GitHub and Accounting — topics that collectively have 709.7k followers on Product Hunt. The dashboard above tracks how çetele performed against the three products that launched closest to it on the same day.
Who hunted çetele?
çetele was hunted by Nurullah Macun. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of çetele including community comment highlights and product details, visit the product overview.
Nurullah Macun