help()
Environment
help() is a MATLAB®-compatible environment function for display help information. with no arguments, shows all available modules and functions. with a function name, shows syntax, description, examples, and related functions. with a module name (e.g., 'core math'), lists all functions in that module. Run it online in your browser with SimLab — free, no install, no license required.
Display help information. With no arguments, shows all available modules and functions. With a function name, shows syntax, description, examples, and related functions. With a module name (e.g., 'Core Math'), lists all functions in that module.
Syntax
help
help functionName
help moduleName
Examples — run help() in your browser
See Also
Frequently Asked Questions about help()
Is the help() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run help() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use help()?
No. SimLab runs entirely in your web browser with zero installation. The help() function works without any MATLAB® license or software download.
What does help() do?
Display help information. With no arguments, shows all available modules and functions. With a function name, shows syntax, description, examples, and related functions. With a module name (e.g., 'Core Math'), lists all functions in that module. It is a MATLAB®-compatible environment function available in SimLab with the same calling syntax as MATLAB® — typically: help.
Can I run help() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls help(), and run it. Execution happens locally in your browser — no data leaves your machine.
Try SimLab — MATLAB®-compatible, free, in your browser
510+ functions. Runs in your browser. No install. No license.
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