The Best Omni Calculator Alternatives in 2026

Mathway solves problems across algebra, calculus, statistics, chemistry and physics, with steps and photo input.

PlanetCalc catalogs online calculators for topics including dates, time, science, engineering and everyday conversions.

Symbolab solves algebra, trigonometry and calculus problems step by step, with calculators for equations, derivatives and integrals.

WolframAlpha provides math answers and calculators across algebra, calculus, geometry, number theory and other topics.

Use Kalker as a calculator with custom variables, functions, differentiation and integration on desktop, mobile or web.

Telborg tracks construction and power developments for Texas data centers using public filings and related announcements.

OneLook searches hundreds of dictionaries for definitions, related words, quotes, lyrics and other language references.

The Anki Manual provides user instructions and a resource list for guides, templates and custom schedulers.

MathDF solves derivatives, integrals, equations and inequalities step by step, with photo input and a math keyboard.

Numla organizes math notes in searchable documents with keyboard shortcuts for navigation and editing.

Math Notepad provides a browser editor for calculations and graphs, including complex numbers, matrices and units.

Desmos offers free online math tools, as indicated by its homepage title.

The TI-84 online simulator provides graphing and scientific calculator tools with an accompanying manual.

arTIfiCE restores assembly programs and games on compatible TI CE calculators through a jailbreak.

ticalc.org archives user-contributed files for TI graphing calculator models, with sections for programs and hardware.

Scikit-Survival provides survival analysis built on top of scikit-learn.

Numbr combines a calculator with a notepad for working with notes and numbers in one document.

Use yetCalc as a calculator on Android, as specified by the project repository.

CEmu emulates TI-84 Plus CE and TI-83 calculator models with functionality for developers, according to its repository page.

microMathematics Plus is a visual calculator with a worksheet layout, graphing and function plotting.

OpenCalc provides calculator features in an Android app, according to its repository description.

Omniglot catalogs writing systems and languages, with alphabets, language profiles and study resources.

The U.S. Climate Resilience Toolkit helps users explore climate-related risks and practical resources for addressing local hazards.

GeoGebra provides free tools for graphing, geometry and classroom activities, including a collaborative whiteboard.