CalcXL Pro

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CalcXL Pro brings your everyday calculation tools together in one app: standard and scientific calculator, unit converter across 9 categories, Excel shortcut and formula guides, a drug information guide and a cycle tracker.

Works fully offline. No account required.

🧮 STANDARD CALCULATOR
Basic arithmetic, percentage and sign change. Calculation history is stored permanently and survives closing the app. Edit the expression line and recalculate.

🔬 SCIENTIFIC CALCULATOR
sin, cos, tan, asin, acos, atan, logarithm, powers, square root, factorial, pi and e. Switch between DEG and RAD. Memory functions: MC, MR, M+, M−.

📏 UNIT CONVERTER — 9 CATEGORIES, 80+ UNITS
• Length — mm, cm, m, km, inch, foot, yard, mile, nautical mile
• Mass — mcg, mg, g, kg, ton, pound, ounce
• Temperature — Celsius, Fahrenheit, Kelvin
• Volume — ml, cl, dl, L, m³, fl.oz, cup, pint, gallon
• Area — mm², cm², m², km², hectare, dönüm, acre, ft²
• Speed — m/s, km/h, mph, knot
• Pressure — Pa, kPa, bar, atm, mmHg, PSI
• Energy — J, kJ, calorie, kilocalorie, Wh, kWh
• Data — bit, Byte, KB, MB, GB, TB

Tap any unit to flip the conversion direction instantly. Number formatting adapts to your selected language.

⌨️ EXCEL SHORTCUTS — 55+ SHORTCUTS
Excel keyboard shortcuts organised into basic, navigation, editing, formatting, selection and formula categories. Filter by category or search.

📐 EXCEL FORMULAS — 50+ FORMULAS
SUM, VLOOKUP, IF, SUMIFS, INDEX, MATCH, TEXT, PMT and many more. Syntax, explanation and a working example for each. Categories: math, lookup, text, logical, date/time, financial and information.

💊 DRUG INFORMATION GUIDE
An educational and reference list covering 25 commonly used medicines. Weight-based display, brand name, route of administration and general notes. Add, edit or delete your own entries.

⚠️ This section is for educational and reference purposes only. It does not constitute medical advice and is not a substitute for evaluation by a physician, pharmacist or other healthcare professional. Always consult a qualified healthcare professional before use.

🌸 CYCLE TRACKER
Log entries from the calendar: flow intensity, pain level, mood, symptoms and free-text notes. Average cycle length and duration are calculated from your past logs. Colour-coded calendar view and statistics summary.

⚠️ Predictions shown are approximate values based on statistical averages. They cannot be used as a method of contraception.

🌍 5 LANGUAGES
Turkish, English, Russian, Spanish and Chinese. Interface, unit names and number formatting adapt to your selected language. Switch any time.

🔒 PRIVACY
No user account required. No name, email or phone number is requested. Everything you enter is stored only on your device and is never sent to any server. No location, camera, microphone or contacts permission is requested.

The app is free and supported by ads.

Feedback and questions: [email protected]