For simple arithmetic operations, a standard calculator on your phone is quite sufficient. However, when working with fractions, equations and functions, you need a more advanced application that can show the solution process if necessary.
Calculator Pro
IN Calculator Pro A history of up to 1000 operations has been implemented for easy tracking of calculations. More than 150 currencies are available for conversion, including dollars, euros, pounds, yuan, and yen, which allows conversion even in offline mode.
The application can be used to determine intervals between dates, convert different units of measurement. There is a bill calculator: based on the bill amount and the percentage of tips, the application calculates the total amount, tips and cost per person. There is also a discount calculator, allowing you to determine the final price of the product based on the original cost and the percentage of the discount.
CalcNote
CalcNote combines a calculator and a text editor. The main feature of the application is the numbering of lines, as in spreadsheets. This makes it possible to perform multi-line calculations.
Because each line is processed separately, an error can be corrected without restarting all previous calculations. Combinations of text and numbers are supported.
There is a converter of 156 currencies and 5 cryptocurrencies. The interface can be personalized: colors, fonts, layout.
CleveCalc
In the appendix CleveCalc Time conversion for over 400 cities has been implemented - convenient for travelers. Calculation of percentages, unit prices, and body mass index is supported.
In addition to basic arithmetic, operations of raising to a power, extracting a root, using brackets and percentages are implemented. Correction of expressions using a cursor is provided.
For technical tasks, functions for recalculating fuel efficiency, fuel cost by distance, and converting hexadecimal numbers are available.
The application can calculate the price including taxes, the discounted price based on the base price and the discount percentage.
Geometryx
Geometryx — is a powerful geometric calculator for solving complex mathematical and geometric problems. It allows you to perform calculations related to angles and trigonometry.
Calculations for specific figures are supported - a paraboloid of revolution, etc. The area, perimeter, lengths, volumes, coordinates of the centers of mass are calculated. There are detailed calculations of heights, side lengths, various types of angles.
For curves, radii, arc lengths and segments are calculated. For 3D figures, surface areas are output.
CalcTape
CalcTape — is a calculator designed to perform complex multi-step calculations. It can store up to 1000 operations for later review and reuse. It is possible to write comments and notes during the calculation process.
The dual keyboard extends capabilities beyond basic arithmetic. The layout can be customized. Templates for repetitive calculations can be created. Custom functions can be created.
The free version has basic functionality. The paid version offers advanced functionality, such as saving to files.
Calculator Plus 991
Multifunctional calculator Calculator Plus 991 combines the functions of the CASIO 500es, 500mc, 300es plus and 991es plus models, which implement integration and differentiation operations.
The application supports a wide range of functions from simple arithmetic to calculating percentages, roots, logarithms and trigonometric functions. In scientific mode, calculations with infinite precision, random number generation, work with combinatorics and number theory are available.
The graphic calculator plots function graphs, performs analysis - finding roots, extrema, derivatives. There is an equation solver, including square, cubic and systems of linear equations.
All-In-One Calculator
IN All-In-One Calculator 75 different calculators and unit converters are presented, including scientific and engineering calculators. This allows you to solve everyday problems: basic calculations, conversion of quantities, calculation of percentages, proportions, areas, volumes, etc.
There is a built-in random number generator and Ohm's law calculator for calculating voltage, current, resistance and power. There is also a currency converter.
Copy and paste of data is supported, step-by-step solution is displayed. The history of the last 1000 operations is available.
RealCalc
Scientific calculator RealCalc with Reverse Polish Notation (RPN) has been downloaded over 20 million times and received 100,000 positive reviews.
It has the ability to switch between scientific, engineering and fixed display modes. The results history saves binary, octal and hexadecimal calculations. There is support for fractional calculations and conversion of fractions to decimal numbers.
The RPN widget on the home screen is supported, allowing operators to be specified after operands. Multiple windows and drag-and-drop functionality are implemented.
Multi Calculator
Calculator Multi Calculator is suitable for both financial calculations and everyday tasks. In addition to standard operations, brackets and additional mathematical operators are supported.
It implements the calculation of the future value of investments, supports the comparison of prices per unit of goods, has a currency converter. A quick calculation of VAT, a converter of clothing and shoe sizes for different countries are implemented.
Among other things, there are calculators for BMI, ideal weight, loans, tips, bill splitting. For drivers, there is a calculation of fuel economy, range, and trip cost.
There are several interest calculation modes available: simple, compound, monthly, annual.
HiEdu Scientific Calculator
IN HiEdu Scientific Calculator has everything from tax calculators to complex math operations. It is possible to create favorite entries for quick reuse.
Display and analysis of functions, determination of points on the graph are available. There is a Natural Display mode for simplifying the input of fractions and functions. Calculations with complex numbers are supported - addition, subtraction, multiplication and division. It also solves quadratic and cubic equations, inequalities, systems. Transposition of matrices is supported.
Scientific Calculator
IN Scientific Calculator work with complex mathematical functions is available, including matrix operations, trigonometry and others. Calculation of determinants, transposition and finding the inverse matrix are available.
The calculator can work with matrices up to 10×10 elements. There is support for complex numbers in polar and rectangular notation. Up to 5 two-dimensional graphs can be displayed simultaneously with fast scaling and scrolling.
CalcKit
CalcKit combines over 150 specialized calculators and converters. An extended calculation log is provided, as well as support for copying/pasting data into other applications.
One of its features is the built-in analytical geometry tools that allow you to calculate distances, areas of figures, equations of circles and spheres. There is a convenient currency converter with a list of 180 world currencies, including cryptocurrencies.
For engineers and technical specialists, there are specialized tools: a resistor color code calculator, a reactance and resonance calculator, and a conductor resistance calculator.
In addition to professional use, the application contains calculators for everyday needs: calculating percentages, proportions, areas, volumes. Conversion of ordinary fractions to decimal and back is available.
Desmos
Desmos — is a scientific calculator. It has a convenient functionality for entering arbitrary data with subsequent display on a graph. For any mathematical relationships, you can create a table of values.
In addition to standard operations, root extraction and logarithms are supported. There are interactive sliders for changing model parameters, which allows you to visually evaluate the impact of each value on the result.
When you touch the graph, the coordinates of the extreme points and intersections are displayed. This simplifies the search and analysis of key points.
Fraction Calculator
One of the features Fraction Calculator is the ability to solve linear and polynomial inequalities, including those such as x^3-4>4.
A feedback system has been implemented, informing the user about the correctness of the solution. To increase flexibility, the tool converts decimal fractions to ordinary ones and vice versa.
The program specializes in solving inequalities with one variable. Step-by-step solution can be enabled or disabled. The application copes perfectly with complex operations on fractions and roots of polynomials of arbitrary degree.