Scientific Calculator
★ 4.6Find an alternative to Scientific Calculator
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First year: Unknown
Data and scoring
Profile based on reviews and description
- Profile analysed
- Jun 22, 2026
- App updated
- Sep 24, 2025
Store sources
- Google Play · Store data seen: Jul 27, 2026 · Data is over 30 days old — check the source
Plans and limits
Plans and free-tier limits are not verified. Free installation does not mean free usage.
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Marketing versus reality estimates how well promised features are supported; stability estimates complaints about crashes and speed. Project activity is calculated from update recency, review activity and store availability. Percentages are not guarantees or success probabilities; missing data does not mean a zero score.
What it actually doesCalcTastic is a high-precision, feature-rich scientific calculator with years of refinement and thousands of satisfied users.
Actually does
- ✓Calculator95% of reviews
- ✓RPN (Обратная польская нотация)12% of reviews
- ✓Алгебраический режим с редактированием выражений5% of reviews
- ✓Продвинутая статистика (15 параметров)8% of reviews
- ✓Память с 10 регистрами10% of reviews
- ✓Dark mode8% of reviews
- ✓Ad-free35% of reviews
- ✓Тригонометрические функции (Deg/Rad/Grad)10% of reviews
- ✓Преобразование градусов/минут/секунд (D°M'S")8% of reviews
- ✓Freemium15% of reviews
Claimed, but not confirmed by reviews
- ⚠Unit converter
- ⚠Вычисления с дробями и преобразование в дроби
- ⚠Таблица физических констант (44 константы)
- ⚠Calculation History
- ⚠Complex Numbers
Common complaints
- ✗Bug with repeated multiplication: 10*= gives 0 instead of 1003% of mentions
«10*= gives 0, but it should be 100, each subsequent press of = should multiply the result by 10»
- ✗Illogical argument order in ʸ√x function (should be ˣ√y)5% of mentions
«switching the "ʸ√x" button to "ˣ√y" in the settings... prevents me from using your calculator in everyday life»
- ✗D°M'S" conversion function incomplete — no long-press button for reverse conversion3% of mentions
«usually calculators when entering... long-pressing [D°M'S"] converts it back to 10°36′45"»
- ✗Interface partially in English (insufficient localization)5% of mentions
«everything is in English, please work on this»
- ✗History cleared by [CLS] key along with screen — illogical3% of mentions
«History is cleared by [CLR] and [CLS]. Why does clearing the screen [CLS] clear the history? That makes no sense»
What people praise
- ★No ads (especially valued compared to competitors)
«Thank you for being able to use it for free. I hope it won't be tainted with ads in the future; Awesome and ad-free!»
- ★RPN with configurable stack depth (up to 100 registers) — a rare feature
«Finally an RPN calculator with configurable stack depth, not just puny 3 registers»
- ★Convenient and intuitive memory and register operations
«Memory operations just won me over. I never thought it could be organized this way»
- ★Convenient, clear and pleasant interface without clutter
«Very convenient, clear and pleasant interface; minimalist, not cluttered design»
- ★Convenient simultaneous display of multiple statistical parameters
«I especially like the display of many statistics at once from the numbers involved in calculations»