CalcTastic review
An Android calculator pairing scientific tools and RPN with programmer features.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
CalcTastic is an Android calculator for people who need scientific calculations alongside reverse Polish notation (RPN) or programmer tools. Its algebraic and RPN modes, fractions, statistics, complex numbers, unit conversions, and physical constants suit learners and individuals who want more than basic arithmetic. Programmer operations add a distinct use case for working with binary, octal, decimal, and hexadecimal values. The product is mobile-only, so it is not a fit for someone seeking a desktop or cross-platform calculator.
The free version includes scientific calculator features, and the published plan differences put polar-form complex numbers and the full-featured programmer calculator in Plus, along with additional themes. Rectangular-form complex calculations are listed among CalcTastic’s features. The available pricing information describes one-time pricing for the app listings but does not provide a price to compare here. Buyers choosing between the versions should focus on whether polar complex calculations or the full programmer feature set are needed; the core scientific and RPN functions are part of the free offering.
The breadth of its calculation tools is the main reason to consider CalcTastic: scientific notation, configurable precision, angle-unit selection, fraction conversion, and statistics over calculation history or RPN stack values sit alongside memory registers and calculation history. Programmer mode supports signed and unsigned integer sizes, bitwise operations, and bit display. That range may suit solo users and small-scale needs, but the Android-only platform narrows its audience, and buyers who need equation solving should look elsewhere. Choose CalcTastic for Android-based scientific and RPN work, especially if programmer calculations matter; skip it if desktop access is essential.
CalcTastic pros and cons
- Where it wins
- Switch between algebraic and RPN calculation modes.
- Free version includes scientific features, fractions, and statistics.
- Programmer tools cover four number bases and bitwise operations.
- Where it doesn't
- Available only on Android.
- Polar-form complex numbers require Plus.
- Full programmer calculator features require Plus.
CalcTastic fact sheet, pricing and score →
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