Learn, track, and secure notes
Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.
Showing 521–540 of 1,000 ranked alternatives.
David Smith
Calculate with high-precision math functions
Perform complex calculations with high-precision math functions including trigonometric, hyperbolic, and special functions. Calculate derivatives, integrals, and roots. Program custom functions and store equations.
Audrey Prins
Calculate tips and split bills
Calculate tips based on total amount and percentage. Split tips and bills among group members. Customize tip percentages and view total amounts per person. Share results via text or social media.
Stephen Elrod
Calculate, practice, and learn math
Solve complex math problems with advanced functions and calculations. Practice equations with interactive exercises. Customize themes and adjust settings for personalized use. Track progress and review solutions for better understanding.
V PUGAZHENTHI
Calculate and civil parameters
Provides tools for calculating area, moment of inertia, distance from axis, radius of gyration, and section modulus for rectangular and square beams. Supports metric and imperial units.
Alexander Lee
Convert numbers between different bases
Convert numbers between binary, octal, decimal, duodecimal, and hexadecimal. Input a value and instantly see conversions in all supported bases. Adjust settings and view numerical representations side by side.
Theodore Dubois
Calculate with modular arithmetic
Perform calculations using modular arithmetic. Support for powers and modular inverses enables division in modular systems. Toggle the value with a dedicated "mod" indicator.
Triveni Group LLP
Calculate and edit numbers quickly
Perform calculations with basic arithmetic functions. Input numbers and operators. Switch between portrait and landscape modes. Use memory functions to store and recall values.
Yishagerew Yitaih
Calculate fuel needed for flights
Calculate fuel requirements for flights using preloaded data on aircraft models and fuel consumption rates. Input flight details to estimate fuel needs. Export results in printable format. Share calculations with team members.
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