Display multiple calculators including scientific, financial, and unit conversion tools. Perform complex calculations, switch between modes, and save frequently used formulas. Share results via copy-paste or email.
by Hideaki Uchikoshi★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
Optimize air systems with unit conversions for pressure, volume, and temperature. Calculate pressure drop, condensate formation, and standard cubic meters according to DIN 1343 and ISO 2533. Determine optimal receiver size and system efficiency.
An RPN calculator with stack display and base conversion. Users can switch between binary, octal, decimal, and hexadecimal modes. Each stack element can be viewed in any base or as ASCII.
Convert to kilometers and kilometers to with instant, precise calculations. Save conversion history and switch between dark and light themes. Works offline and features a clean, user-friendly interface.
Convert measurements between . Input a value and select source and target . Display results instantly. Support for standard and metric . Store and recall frequently used conversions.
Math Features: Perform calculations with a normal and scientific calculator. Use basic and shape-related functions with easy-to-use formulas. Tools: Create and organize notes, set goals, and track progress. Access flashcards and quizzes for practice.
Calculate parameters such as time, distance, and fuel consumption. Adjust wind direction and speed for accurate wind correction. Use the E6B calculator for fuel planning and navigation. Visualize and manipulate dials and scales for precise planning.
Calculate angles, solve triangles, and compute trigonometric
Calculate angles, side lengths, and hypotenuse of triangles. Determine arc radius, arc length, chord length, and chord height. Solve trigonometric problems with precise formulas and tools. Input measurements to get accurate geometric results.
Convert units across 400+ categories with real-time calculations. Use AR measuring to calculate distances via camera. Adjust units for length, weight, temperature, and more. Save frequently used conversions for quick access.