SmartCalc
Android app by Terminal Madness. Tools · Terminal Madness
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.10
- Listing last refreshed
- 2026-09-14
View the original store listing
Store description excerpt
SmartCalc is a complete calculator suite that runs entirely on your device. No internet permission. No accounts. No tracking. Your numbers never leave your phone — not because we promise, but because the app has no way to send them anywhere. TEN TOOLS IN ONE APP • Calculator — full-featured with memory (MC, MR, M+, M−), percent, square root, keyboard support, and a running tape you can copy • Purchase & Loan Calculators — monthly payments, total interest, amortization with extra-payment analysis: see exactly how much time and interest an extra payment saves, with maturity dates • % Discount — sale price with stacked sales tax, quick percentage buttons and slider • Tips — tip and bill splitting with pre/post-tax options • Weight & BMI — weight conversions (pounds, kilograms, stones, and more) and BMI with natural height entry: type 5'10" or decimal feet, your choice • Blood Health — blood pressure and blood sugar category calculators based on published clinical guidelines, with plain-language guides • Encrypt/Decrypt — AES-256 text encryption for notes and messages, all on-device • Length & Volume — comprehensive unit conversion including both US and Imperial measures (yes, they're different — a UK gallon is 20% bigger) • Fractions & Measurements — fraction arithmetic, feet+inches math, board feet, square footage, paint coverage, and flooring with waste factor • History — session history of your calculations with copyable receipts BUILT PRIVATE BY DESIGN • SmartCalc requests zero permissions. Check for yourself — the app cannot access your network, contacts, location, storage, or anything else. Everything is computed locally and disappears when you close the app. Health and financial calculations deserve nothing less. HONEST NUMBERS • Every calculation engine has been verified against independent math — from an $11-digit loan amortization to the edge cases in every category calculator. Health categories follow current published guidelines and say so. Receipts show the exact numbers used. Made in Rhode Island by Terminal Madness LLC. Disclaimer: Health tools are for informational purposes only and are not a substitute for professional medical advice. Financial tools are for informational purposes only and are not financial advice.
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