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 21–40 of 1,000 ranked alternatives.
Century Light LLC
Graph functions and solve equations
Create and analyze mathematical functions with interactive graphing. Manipulate equations, zoom, and pan graphs. Access a clean interface with logically placed tools. View detailed error messages and scroll through results without navigation clutter.
Halcyon Touch Software
Calculate and solve equations
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
Unicom TOV
Calculate, add, subtract, multiply, divide
A calculator with a large, easy-to-read display and simple buttons. Perform addition, subtraction, multiplication, and division. Features a clear layout and user-friendly design for everyday use.
Michael Horowitz
Convert text to and vice versa
Convert text, , hexadecimal, and custom base numbers to each other. Perform base conversions with a minimalistic interface. Learn how different number systems work through interactive conversion. Encode messages in for fun or practical use.
Michael Wesemann
Calculates with precision and style
The app provides a simple and intuitive interface for performing calculations. It supports multiple number systems and includes various conversion tools.
Alex Yakauleu
Calculate, tap, and track results
A with basic arithmetic functions and a history bar for tracking previous inputs. Supports rotation and theme customization. Includes haptic feedback for 7 and later. Loads quickly and runs without fullscreen ads.
TLA Systems Ltd.
Calculate, convert, and program with precision
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, scientific constants, and engineering notation. Enable multiple undo and redo. View results on a paper tape.
Simple Machine, LLC
Solve puzzles with a
Solve puzzles by performing math operations on a . Navigate through levels to defeat the Clicky virus. Use a to convert numbers to letters and interact with portals. Track progress and complete challenges.
Jindrich Houska
Calculate and solve complex equations
With symbolic algebra, equation solving, and calculus functions. Supports fractions, repeating decimals, and high-precision numbers. Displays results as simplified expressions or numerical values.
Tran Duy
Graph functions and trace curves
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.
tasser gyati
Calculate, convert, and solve equations
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.
Calc Hub, LLC
Calculate materials for projects
Calculate materials with 10 tools for gravel, soil, mulch, concrete, pavers, retaining walls, grass seed, sod, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters. Output results in US customary or metric units.
Andrei Brusentsov
Solve math problems step by step
Solve problems with remainder support and repeating decimals. Perform , addition, and subtraction. Check math homework with step-by-step calculations.
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