Fraction Calculator Plus

Original All-In-One Calculator for Android

A universal calculator based on Maple, the world's most powerful mathematical engine, solves mathematical problems, visualizes two-dimensional and three-dimensional expression graphs, and provides step-by-step solutions.

Go beyond arithmetic with Desmos, a fast and powerful scientific calculator.

Free interactive graphing calculator for plotting functions in Cartesian, polar, and parametric coordinates with support for sliders, tables, statistics, and scientific calculations. Works offline, but the mobile version has limitations with copying and pasting expressions.

An app for calculating building materials (concrete, bricks, boards, roofing, tiles, paint and wallpaper) with an integrated spirit level, works completely offline and without registration.

App for calculating and managing private home construction costs with offline calculators, cost estimates and project timeline in the paid version.

Tax calculator for sole proprietors and self-employed individuals, supporting VAT, income tax, simplified tax system, and personal income tax calculations with history retention, operating fully offline without registration.

The app contains a set of 13 specialized calculators for calculating building materials (tiles, wallpaper, laminate, paint, bricks, concrete, etc.) accounting for waste from trimming, works completely offline and is free.