K4 Calculator || All-In-One App – your ultimate multifunctional tool for all your calculation needs and more! This app not only offers a powerful, easy-to-use calculator for basic math, scientific equations, unit conversions, and financial calculations, but it also features an exciting game section. You can enjoy a variety of fun and engaging games directly within the app, with no need for additional downloads or installations.

Whether you're solving complex problems or taking a break with a quick game, the All-In-One Calculator App has something for everyone. It’s perfect for students, professionals, and anyone looking for a versatile, feature-packed app. Download today and experience the convenience of having both a calculator and entertainment in one place!

This is the PERFECT Calculator App
A result of passionate development and continuous feedback from our users, making it what we believe is useful multi-calculator tool on the google play store. With over 45+ FREE calculators and unit converters, including both a simple and scientific calculator, this app is all you'll ever need on your mobile phone.

Oh, and did we mention it's completely FREE?
Yes, it's free because we believe everyone should have access to this powerful app.

If you are a student, teacher, engineer, handyman, contractor or just somebody who finds math and conversions challenging, this app is made for you!
• Perform simple or advanced calculations with ease
• Convert units or currencies in the same app
• Enjoy easier homework or school assignments
• Learn as you go with step-by-step solutions to your calculations

So, on with the features...

K4 CALCULATOR FEATURES
• Simple or Scientific layout
• Editable input & cursor
• Copy & Paste support
• Calculation history
• Multiple Themes
• Play FREE Games

45+ CALCULATORS, CONVERTERS & GAMES
• Finance, Algebra, Geometry, Unit Converters, Health & Miscellaneous
• Currency converter with 160 currencies
• Instant results delivered as you type
• Play Offline Games without Install

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

Algebra
• Percentage calculator
• Average calculator - arithmetic, geometric and harmonic means
• Proportion/Ratio calculator
• Equation solver - linear, quadratic and equation system
• Combinations and permutations
• Decimal to fraction
• Fraction simplifier
• Greatest common factor & Lowest common multiple calculator
• Any Root Calculator

Geometry
• Shape calculators for triangle, square, rectangle, parallelogram, trapezoid, rhombus, pentagon, hexagon, circle, circle arc, ellipse
• Body calculators for cube, rectangle prism, square pyramid, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid
• Hypotenuse, Area and Perimeter of Right Tringle
• Properties of Tringle using Heron's Formula

Unit converters
• Acceleration converter
• Angle converter
• Area converter
• Energy converter
• Force converter
• Torque converter
• Weight converter
• Temperature converter
• Pressure converter
• Power converter
• Speed converter
• Time converter
• Digital storage converter
• Data transfer speed converter
• Roman numerals converter

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

Miscellaneous
• Age calculator
• Time calculator
• Mileage calculator
• Ohm's law calculator - voltage, current, resistance and power
• SIP Calculator
• CGPA Calculator
• Lumpsum Calculator
• Loan EMI Calculator
• PM Jeevan Jyoti Bima
• PM Surksha Bima

Play Free Offline Games
• 2048 Game
• Doodle Cricket
• Nuts and Bolt - Screw Puzzle
• Dribble King
• Table Tennis - World Tour
• Route Digger
• Mr Bullet
• Colored Water & Pin
• Word Search

Also added Some Popular Online Games.

Please share your feedback. Hope you like this app.