Smart Calc+ vs Action Calculator

Your ultimate tool for basic algebra, trigonometry (sin, cos), logarithms (log), and more. Perform quick and accurate calculations with a built-in history log to keep track of all your calculations.

From everyday calculations to scientific operations, from graphing to unit conversions, all the calculation tools you need are in a single app. Easily perform your calculations with the calculator, read printed mathematical expressions using your camera, create graphs, and track live exchange rates and fuel prices. Customize its simple interface just the way you like and quickly access your most used tools. Completely free. No ads, no registration, and no locked features. Open the app and start using it right away. Everyday and Scientific Calculations • Easily perform basic arithmetic operations and percentage calculations. • Execute scientific operations with tools for powers, roots, logarithms, and trigonometry. • Choose your angle unit in degrees or radians. • Review your previous calculations from the operation history. • Add your favorite formulas to the favorites list and reuse them with a single tap. Camera Recognition and Graphing • Read printed mathematical expressions using your camera or by selecting an image from your gallery. • Check the scanned expression and calculate it instantly. • Create function graphs y = f(x). • Inspect graphs by zooming in, zooming out, and panning. • Find the roots of single-variable equations with the equation solver. Unit and Currency Conversion • Convert across many categories such as length, weight, temperature, volume, speed, time, and data size. • Use updated exchange rates powered by Central Bank data. • Perform area and geometry calculations effortlessly. • Make practical calculations like time differences, tips, and Body Mass Index (BMI). Fuel and Trip Costs • Calculate your fuel consumption and estimated fuel cost for your trip. • Save your vehicles to your own garage. • Select a city or region to view gas station prices for gasoline, diesel, and LPG (where available). • Compare fuel prices across different brands. Workshop and Practical Tools • Calculate how parts should be arranged or grouped in a specified space. • Fit boxes into a given volume and preview the result in 3D. • Calculate the actual volumetric weight (cubic weight) of a shipment. • Create evenly spaced layouts along an edge. • Calculate cubic meters from length, width, and height values. • Estimate material quantities required for raw concrete mixes. A Calculator Tailored to You • Press and hold the main calculation screen to open the theme collection. • Customize the background, button colors, and key layouts. • Select the shortcuts you want to see upon opening the app. • Use the app in 98 languages, including Turkish. • Search using the redesigned language picker, access popular languages, or browse alphabetically from A to Z. • View language names in both their original native format and English. Education and Professional Use The calculator brings together the distinct calculation needs of students, engineers, technical personnel, and everyday users into one single app. Quickly access dozens of tools—from basic operations to scientific calculations, unit conversions to geometry and fuel costs. Complete all the calculations you need for school, daily life, or professional work in one place. Your Data Stays on Your Device No account creation required, no need to provide an email address or password. Your calculation history and favorites remain securely stored on your device. Open the calculator, choose the tool you need, and get started right away.