Main calculator
• Simple or Scientific layout
• 40 Light or Dark (AMOLED) themes
• Editable input & cursor
• Copy & Paste support
• Calculation history
• Memory buttons
• Function graphing
• Dec, Hex & Binary
• Floating calculator
• Widget

75 calculators & converters
• Algebra, Geometry, Unit Converters, Finance, Health & Misc
• Currency converter with 160 currencies (available offline)
• Sort, hide or add calculators to favorites
• Instant results delivered as you type
• Step-by-step solution & formulas
• Smart search for faster navigation
• Create shortcuts on home screen

Algebra
• Percentage calculator
• Proportion calculator
• Average calculator - arithmetic, geometric and harmonic means
• Equation solver - linear, quadratic and equation system
• Combinations and permutations
• Decimal to fraction
• Fraction simplifier
• Prime number checker
• Greatest common factor & Lowest common multiple calculator
• Random number generator

Geometry
• Area / Perimeter calculator for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse
• Volume calculator for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid
• Right triangle calculator
• Heron's formula (solve a triangle knowing the side lengths)
• Circle solver

Unit converters
• Acceleration converter
• Angle converter
• Length converter
• Energy converter
• Force converter
• Torque converter
• Area converter
• Volume converter
• Volumetric flow converter
• Weight converter
• Temperature converter
• Pressure converter
• Power converter
• Speed converter
• Mileage converter
• Time converter
• Digital storage converter
• Data transfer speed converter
• Numeric base converter
• Roman numerals converter
• Shoe size converter
• Ring size converter
• Cooking converter

Finance
• Currency converter with 160 currencies available offline
• Unit price calculator
• Sales tax calculator
• Tip calculator
• Loan calculator
• Simple / Compound interest calculator

Health
• Body mass index - BMI
• Daily calories burn
• Body fat percentage

Miscellaneous
• Age calculator
• Date calculator
• Time calculator
• Mileage calculator
• Ohm's law calculator - voltage, current, resistance and power
WHAT'S NEW

Minor bugfixes and updates.
A brand new version is in the works, for Android, iOS and the web.