Calculator App

Scientific calculator for both basic and advanced calculations with support of variables, constants, plots, matrices, calculus, geometry, statistics, SPC, anova, special functions, fourier transform, complex numbers, trigonometry, vectors, basic math functions, variable argument functions, spreadsheet data, graphical view, unit conversion and file save/open.

Save complete calculations to memory/storage and reuse them in future calculations instantly. Saved calculations/expressions are shown on the main screen as a list and can be reused with a click of button.

Powerful mathematical expression builder with support of most common functions with parameters. Also supports commonly used special functions.

In built support for complex numbers and calculations in both rectangular and polar form.

Matrices calculations supported with any number of rows and columns.

Support for numerical differentiation and numerical integration. Contour Integral/Complex Path Integral

Find roots of polynomials with support of finding complex roots of higher degree polynomials.

Ability to define variables and constants in VAR editor and provide separate range of input values to variables. Plot 2D and 3D graphs of expressions.

Ability to create/read data from spreadsheets and plot/perform calculations on file row/column data. Multilanguage input of spreadsheet data supported for both numeric and categorical values.

The app is optimized to directly read large spreadsheet files in xlsx, csv, tsv or any text format to process huge raw data (Subject to device and OS capabilities/limits) as well as processed/summarized data.

Support for finding fast fourier transform/fourier series of math expressions using variables or from raw data from file.

Geometry calculator.

Descriptive statistics, standard deviation, variance, mean, median, mode, quartile, percentile, skewness, kurtosis, histogram, frequency polygon, ogive, covariance, correlation, ranked correlation, coefficient of determination, regression and scatter plots. categorical variables statistics, contingency tables, t-test (Student's t-test), f test (F statistics/distribution), z test, anova one way, anova two way and chi square test from both raw data and input tables with p value.

Statistical process control, SPC/SQC : Control charts: Individual I-MR/X-MR charts, Range XBar-R charts, XBar-S Charts, Attribute P Charts, NP Charts, C Charts, U Charts, Special CUSUM and EWMA charts. UCL, LCL, Zones and Run tests with advanced configurations. Pareto Chart for Defects/Costs Root Cause Analysis. Capability Analysis and Performance: Cp, Cr, Cpl, Cpu, Cpk, Cpm, Cpmk Pp, Pr, Ppl, Ppu, Ppk, Ppm, Ppmk, Confidence Interval.

Price Index number calculator: Simple Aggregate Index, Simple Average of Relatives Index using Arithmetic Mean, Simple Average of Relatives Index using Geometric Mean, Weighted Average of Relatives Index using Arithmetic Mean, Weighted Average of Relatives Index using Geometric Mean, Laspeyre's Index Number, Paasche's Index Number, Fisher's Index Number, Marshall Edgeworth's Index Number, Dorbish and Bowley's Index Number, Kelly's Index Number and Walsh's Index Number

Unit Converter.

Vector Algebra - Add, Subtract, Dot Product, Cross Product, Triple Product, Projection and angle

Personal Finance Calculations - Loan, EMI, Fixed/Term Deposits and Recurring Deposits. (FD/RD/Loan/EMI)

Multi line expression representation. Edit any part of expression easily. Create complex nested mathematical expressions easily. View your mathematical expressions, calculation results and plots in html reports and save them. Save you calculation results as html files. See calculation results as you type. File save/open support. Name your calculation and add remark to each calculation. Supports both light and dark theme. New features added with regular updates. and lots more ...