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Calculator Memory

PAYTANG Tools In-app purchases

Formula calculator that remembers your math: VAT, profit, discount & tips.

Downloads
2+
on Google Play
Price
Free
In-app purchases
Updated
Oct 7
2026 · v0.1.0
Get it onGoogle Play See alternatives

Screenshots

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About Calculator Memory

Tired of redoing the same calculations and forgetting how you got the answer?

Calc Memo is a calculator that remembers. Every calculation is saved automatically, and you can turn any calculation into a reusable formula — so next time you just type the new numbers and get the answer instantly.

Why Calc Memo
• Save any calculation as a formula you can reuse forever
• Every result is kept in a searchable history, so you never lose your work
• Pin your most-used formulas right under the keypad
• Exact decimal math — no floating-point rounding errors
• Clean, fast, distraction-free design

Ready-made formulas
Get started in seconds with built-in presets you can edit:
• VAT — add or remove VAT
• Withholding tax
• Profit after fees, markup and margin
• Price after discount
• Tip and split the bill
• Overtime pay
• Hourly rate to project price
(Rates are editable defaults and are meant as estimates, not tax advice.)

Made for
Small business owners, online sellers, freelancers, and anyone who runs the same numbers again and again — pricing, invoices, quotes, bills, and everyday math.

Private by design
• Works fully offline — no internet needed to calculate
• Your data stays on your device — no account, no sign-up
• No ads, no tracking, no analytics
• Export and import your own backup file whenever you want

5 languages
Thai, English, Chinese (中文), Japanese (日本語), and Bahasa Indonesia — with region-aware currency and number formats.

Free to use. If Calc Memo saves you time, you can leave a small tip to support development — but every feature stays free.

Calculate once, reuse forever. Download Calc Memo and stop recalculating the same things.

What’s new

Version 0.1.0 · Updated October 7, 2026

Calc Memo v0.1.0 — first release 🎉 • A calculator that auto-remembers every calculation • Turn any calculation into a reusable formula — next time just type the new numbers • Ready-made presets: VAT, withholding tax, profit, discount, tip, overtime & more • 5 languages (TH / EN / 中文 / 日本語 / Bahasa) • Works offline, data stays on your device

Alternatives to Calculator Memory

Looking for apps like Calculator Memory? Here are 6 similar Android apps on Google Play. The highest rated is NFC Clone (1.9/5), and all 6 are free to download.

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