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.
by James Preston★ 0.00 ratingsProductivityFreeData updated 2026-09-08
Convert currencies between (EUR) and US (USD) using real-time exchange rates. Choose the number of decimal places for precision. Perform quick conversions without additional steps.
Perform complex calculations with RPN and algebraic input. Handle arbitrary precision, complex numbers, and multiple bases. Work with vectors, matrices, and text. Solve equations symbolically and numerically. Graph functions and plot data.
Calculate dates by adding or subtracting years, months, or days. Determine weekdays and weekends between two dates. Track working hours with an hour and minutes calculator.
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.
Calculate using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.
Perform complex calculations with scientific functions, trigonometry, and unit conversions. Customize themes, adjust display settings, and save frequently used formulas. Export results and share calculations directly.
Calculate mathematical expressions with scientific functions, trigonometry, and logarithms. Store and recall values. Adjust display settings for different modes. Export calculation history and share results via email or cloud storage.