Convert numbers between hexadecimal, decimal, octal, and binary formats. Input a value and select the target format. Display results with clear formatting and support for both integer and fractional values.
by Amrit Duwal★ 0.00 ratingsEducationFreeData updated 2026-09-06
Train by memorizing and recalling sequences of numbers. Input numbers in order after a short display. Practice daily for 30 seconds to improve retention. Track progress over time.
Calculate fractions and mixed numbers without converting to decimals. Perform addition, subtraction, multiplication, and division. Convert between fractions and decimals. Input measurements for precise calculations.
Convert files to PDF with precise formatting. Select files from your device, convert them instantly, and view the resulting PDFs immediately. Share converted files directly or save them for later.
Play interactive songs for language learning and entertainment. Choose from alphabet, numbers, colors, and holiday themes. Features include music playback, selection, and educational content to support early learning and engagement.
Convert documents to PDF with precise formatting. Combine multiple files into a single PDF. Protect content with passwords and encryption. Export as PDF or image formats. Share converted files directly from the .
Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.
Merge and split PDF files with one click. Convert documents to other formats and optimize scanned pages. Adjust page size and layout for consistent formatting. Export edited files directly.
Track work hours by checking in and out. Log time entries daily and generate weekly or monthly reports. Export reports in HTML or CSV format and email them to your employer for timesheet updates.
Find and order replacement hose assemblies using PTS ID numbers. Search for components by scanning or entering IDs. Connect with local authorized distributors for parts and support. Track equipment parts globally with unique identification numbers.
View a color-coded with element names, densities, electronic configurations, atomic numbers, and melting points. Tap to see detailed properties. Save or share selected element data.
Solve linear programming problems using the simplex algorithm and MIP solver for 0-1 and integer variables. Input constraints and objectives. View solution details and sensitivity analysis. Export results as text files.
To place , integer, and on a number line. Adjust number ranges and zoom levels. Track progress through interactive exercises and receive immediate feedback. Share achievements and challenge peers.
Perform calculations for construction and industry tasks. Access pre-built formulas for material estimates, cost calculations, and job site measurements. Save and share results directly from the .