QuickCalculator - All-in-One

QuickCalculator is an all-in-one calculator designed for Android. It packs standard, scientific, programmer, and business calculators along with converters, equation solvers, and graphing tools into one app.

CALCULATOR MODES:
- Standard calculator with arithmetic, parentheses, and percentage
- Scientific: trig, log, ln, factorial, powers, roots, constants (pi, e)
- Programmer: binary, octal, decimal, hex with bitwise operations (AND, OR, XOR, NOT, shifts)
- Business: tax, discount, profit margin, and loan calculators

UNIT CONVERTER:
- 6 categories: Length, Weight, Area, Volume, Temperature, Speed
- 40+ units with real-time conversion
- Cooking converter with 10 ingredient units and recipe scaling

ADVANCED TOOLS:
- Equation solver: quadratic (ax²+bx+c) and linear systems (2x2, 3x3)
- Matrix calculator: add, subtract, multiply, transpose, determinant, inverse
- Graphing with expression visualization
- Statistics: count, mean, median, variance, standard deviation

HEALTH:
- BMI calculator with category classification
- BMR calculator (Mifflin-St Jeor) with gender-specific results

MEMORY & HISTORY:
- 50 memory slots with M+, M-, MR, MS, MC
- 200 calculation history entries with one-tap restore
- Persistent across sessions

CUSTOMIZATION:
- Precision control: 0–12 decimal places
- Angle units: Radians, Degrees, Gradians
- Haptic feedback on keypress
- 20+ theme colors with dark/light mode
- Desktop two-pane layout with sidebar for memory and history

CURRENCY & EVERYDAY TOOLS:
- Currency converter with real-time exchange rates and rate charts
- Date & time calculator: date difference, business days, time arithmetic
- Tip calculator and bill splitter
- Tape calculator with running paper-roll history

QuickCalculator Pro unlocks:
- Ad-free experience
- All premium features
- Priority support

Terms of Use: https://kakitiro.com/quickapps/quickcalculator/terms/