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About All-In-One Calculator

The original All-In-One Calculator for Android
It's a FREE, complete and easy to use multi calculator & converter.

What does it do?
Designed with simplicity in mind, it helps you solve everyday problems.
From simple or complex calculations, to unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it good!

This is the PERFECT Calculator
Passionate development combined with constant feedback we receive from our users resulted in that we think is the best multi calculator on the store.
Featuring over 75 FREE Calculators and Unit Converters packed in with a Simple or Scientific Calculator, it's the only calculator you will need from now on on your device.

Oh, and did we say it is completely FREE?
Yes, it is free. We think everyone should enjoy this.

If you are a student, teacher, engineer, handyman, contractor or just somebody who struggles with math & conversions, you really should give this one a try.
• Use it for simple or complex calculations
• Convert units or currencies in the same app
• Enjoy easier homework or school assignments
• Learn. See step by step solutions to your calculations

So, on with the features...

MAIN CALCULATOR
• Simple or Scientific layout
• 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)
• 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
• Ratio 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
• Shape calculators for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse
• Body calculators for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid

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

Developed in Transylvania 🇷🇴

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Frequently Asked Questions(FAQ)

What is the All-In-One Calculator?

The All-In-One Calculator is a free, complete, and easy-to-use multi calculator and converter for Android devices.

What can the All-In-One Calculator do?

The All-In-One Calculator is designed to help you solve everyday problems. It can handle simple and complex calculations, unit and currency conversions, percentages, proportions, areas, volumes, and more.

Is the All-In-One Calculator free?

Yes, the All-In-One Calculator is completely free to use.

Who should use the All-In-One Calculator?

The All-In-One Calculator is useful for students, teachers, engineers, handymen, contractors, or anyone who struggles with math and conversions.

What features does the All-In-One Calculator have?

The main calculator offers both simple and scientific layouts, editable input and cursor, copy and paste support, calculation history, memory buttons, function graphing, decimal, hex, and binary calculations, a floating calculator, and a widget. Additionally, it includes over 75 different calculators and unit converters, covering topics such as algebra, geometry, finance, health, and more.

Can I use the All-In-One Calculator for algebraic calculations?

Yes, the All-In-One Calculator includes a percentage calculator, proportion calculator, ratio calculator, average calculator, equation solver, combinations and permutations calculator, decimal to fraction converter, fraction simplifier, prime number checker, greatest common factor and lowest common multiple calculator, and a random number generator.

Can the All-In-One Calculator help me with geometry calculations?

Yes, the All-In-One Calculator offers shape calculators for various shapes including squares, rectangles, parallelograms, trapezoids, rhombuses, triangles, pentagons, hexagons, circles, circle arcs, and ellipses. It also includes body calculators for cubes, rectangular prisms, square pyramids, cylindrical, conical frustums, spheres, and ellipsoids.

Are there unit converters in the All-In-One Calculator?

Yes, the All-In-One Calculator provides unit converters for acceleration, angle, length, energy, force, torque, area, volume, volumetric flow, weight, temperature, pressure, power, speed, mileage, time, digital storage, data transfer speed, numeric base, Roman numerals, shoe size, ring size, and cooking.

Does the All-In-One Calculator have finance-related calculators?

Yes, the All-In-One Calculator includes a currency converter with 160 currencies available offline, a unit price calculator, sales tax calculator, tip calculator, loan calculator, and simple/compound interest calculator.

Can the All-In-One Calculator help with health calculations?

Yes, the All-In-One Calculator offers a body mass index (BMI) calculator, daily calorie burn calculator, and body fat percentage calculator.

Does the All-In-One Calculator have any miscellaneous calculators?

Yes, the All-In-One Calculator includes age calculator, date calculator, time calculator, mileage calculator, and Ohm's law calculator for voltage, current, resistance, and power.

Where was the All-In-One Calculator developed?

The All-In-One Calculator was developed in Transylvania, Romania.
author
It's really perfect 👌 I advise everybody to have it.
mudy emad
author
Very versatile and easy to use. A little bit American though but mostly useful for day to day conversions.
Vipun Ladva
author
Really good👍👍👍
Sunjida Akter
author
Although i liked the previous style showing choices of types of units to be converted, it is indeed the best conversion app out there IMHO. Good job !
Markus Handlemeyer
author
Great app. Made Algebra easy
Jake M