Modern All-in-One Calculator

Modern All-in-One Calculator is first and foremost a fast, reliable, and customizable calculator for everyday use. Use it for quick calculations at home, at school, at work, or anywhere you need clear results.

Beyond basic calculations, it includes a complete scientific calculator with powers, roots, logarithms, trigonometry, percentages, fractions, memory functions, calculation history, and flexible number formatting. Choose the button style, theme, language, and colors that suit you.

Need more than a calculator? Modern All-in-One Calculator includes 100 practical tools for math, graphs, geometry, conversions, finance, health, dates, and daily life.

SCIENTIFIC CALCULATOR

• Fast basic calculations
• Scientific functions for sin, cos, tan, logarithms, powers, roots, and exponents
• Percentages, averages, ratios, proportions, and weighted averages
• Factorials, prime numbers, combinations, permutations, and matrices
• Number bases and Roman numerals
• Calculation history and reusable results
• Multiple number formats and decimal precision settings

MATH SOLVER AND GRAPHS

• Solve linear equations
• Solve quadratic equations and view roots, discriminant, and vertex
• Solve 2×2 systems of equations
• Interactive graphs for linear and quadratic functions
• Zoom and pan directly on graphs
• Important points, roots, intercepts, and vertices displayed on the chart
• Step-by-step explanations for supported math tools
• Algebra and geometry formulas and theorems

GEOMETRY CALCULATOR

• Triangles, right triangles, squares, rectangles, trapezoids, rhombuses, polygons, circles, and ellipses
• 3D solids including cubes, prisms, pyramids, cones, cylinders, spheres, and more
• Area, perimeter, circumference, surface area, and volume calculations
• Shape previews that help you understand the result visually

UNIT AND CURRENCY CONVERTER

• Length, area, volume, weight, temperature, time, and speed
• Energy, power, pressure, force, torque, acceleration, and fuel
• Cooking units, shoe sizes, digital storage, and data transfer
• Currency converter with updated exchange rates
• Metric and imperial unit support

FINANCE AND EVERYDAY TOOLS

• Loan, compound interest, payment, and amortization calculators
• Tax, tip, discount, unit price, salary, savings goal, and break-even tools
• Fuel mileage, electricity cost, recipe scaling, and arrival-time calculations
• Age calculator, date calculations, date differences, time zones, business days, and countdowns

HEALTH AND FITNESS TOOLS

• BMI and body-fat estimate
• Calorie needs, macros, and daily water intake
• Running pace, sleep cycles, heart-rate zones, and pregnancy due date

PERSONALIZE YOUR CALCULATOR

• Light, dark, and AMOLED themes
• Custom colors for the app and home-screen widget
• Classic, rounded, and modern button styles
• Romanian, English, Spanish, and French languages
• Favorite tools for faster access
• Home-screen widget with your favorite calculations
• Saved calculator history and tool results

Modern All-in-One Calculator gives you a powerful calculator first, then the extra tools you need for school, work, finance, health, and everyday tasks — all in one app.

Recent changes:
• New fractions tool: add, subtract, multiply, divide and raise fractions to powers, with step-by-step explanations.
• Improved tool search and widget previews.
• Smoother ad loading and layout improvements, including better spacing around Android navigation controls.