Updated Jul 26, 2026 ยท v1.5.1
Type naturally, calculate instantly. Free offline notepad calculator for Android
LogicNote is a free natural language calculator notepad for Android. Instead of tapping buttons, just type โ and results appear instantly on every line. It works like a smart notepad that understands math. โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ HOW IT WORKS โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ Just type naturally: 40 hours at $35/hour โ $1,400.00 flight $340 + hotel $120 x3 โ $700.00 $5000 + 18% tax โ $5,900.00 100 km in miles โ 62.14 miles Jan 1 + 90 days โ Apr 1, 2025 Words are ignored. Numbers, units, and operators are calculated automatically. โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ KEY FEATURES โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โฆ NATURAL LANGUAGE MATH Type like you think. No buttons, no formulas. "rent 1200 utilities 150 food 400" โ 1,750 โฆ PERCENTAGE CALCULATOR โข $200 + 15% โ $230 โข 30% of 950 โ 285 โข 45 out of 60 โ 75% โข 900 is what % of 1200 โ 75% โฆ CURRENCY CALCULATOR Supports $, โฌ, ยฃ, โน, ยฅ and all ISO currency codes. Built-in exchange rates. Works fully offline. โข split $120 three ways โ $40 โข 1500 INR in USD โ ~$18 โฆ UNIT CONVERTER Length, weight, volume, temperature, speed, area, data, energy. โข 5 ft 11 in cm โ 180.34 cm โข 30ยฐC in ยฐF โ 86ยฐF โข 70 mph ร 3 hours โ 210 miles โฆ DATE & TIME CALCULATOR โข days until Dec 25 โ days remaining โข today - 2 weeks โ exact date โข 9:00 AM + 90 min โ 10:30 AM โฆ VARIABLES Define once, reuse across lines. rate = $35 40 hours ร rate โ $1,400 โฆ RUNNING TOTAL A live Total bar shows the sum of all results. Type "total" anywhere to reference it. โฆ EXPORT & SHARE Copy, share as text, or export as a clean image. โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ WHY LOGICNOTE โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ 100% offline โ no internet required, ever โ No account, no login, no tracking โ Auto-saves every second โ Clean notepad interface โ reads like plain text โ Free to download and use โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ WHO IS IT FOR โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ Freelancers calculating invoices and hourly rates โ Students doing unit conversions and math problems โ Travelers converting currencies and distances โ Anyone who does quick math inside a notes app โ Professionals tracking expenses and budgets โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ PRO UPGRADE (optional, one-time) โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ Upgrade to LogicNote Pro for $2.99 (one-time, no subscription): โข Remove all ads โข Unlimited documents โข Syntax color themes โข Premium editor fonts โข Font size control โข Watermark-free image export โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ COMPARE โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ Regular calculator: buttons only, no context Spreadsheet app: complex, overkill for quick math Notes app: no calculations LogicNote: natural language + math + units + dates โ all in one โโโโโโโโโโโโโโโโโโโโโโโโโโโโโ LogicNote is the notepad calculator app Android has been missing. Free. Offline. No account needed. Download and try it in 30 seconds.
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