What is the syntax for CSCH in Excel?

The syntax for CSCH is: =CSCH(number)

How do I use the CSCH function?

To use CSCH, type =CSCH( in a cell and provide the required arguments. Excel will show you the syntax and parameter hints as you type. Make sure to close the parentheses and press Enter to execute the function.

What happens if CSCH encounters errors?

If CSCH encounters invalid arguments or calculation errors, it may return error values like #VALUE!, #NUM!, or #DIV/0!. Check your input values and ensure they meet the function's requirements.

Why is CSCH not working in my Excel?

Common issues with CSCH include #DIV/0! when number is 0. Start by checking the syntax =CSCH(number), then verify each referenced cell or range.

Math & Trig

CSCH Function in Excel

Returns the hyperbolic cosecant of a number.

Syntax

=CSCH(number)

Arguments

number (required): Any real number except 0

Examples

=CSCH(1) - Hyperbolic cosecant of 1 - Result: 0.851

CSCH in reporting workflows

Use absolute references when copying formulas across rows.
For conditional totals see [SUMIF](/functions/sumif/) and [SUMIFS](/functions/sumifs/).
Filtered lists may need [SUBTOTAL](/functions/subtotal/) instead of SUM on visible cells only.

Common errors

#DIV/0! when number is 0

Use cases

Engineering
Physics
Mathematics

Frequently asked questions

What is the CSCH function in Excel? CSCH returns the hyperbolic cosecant of a number. The syntax is =CSCH(number). Typical use cases include engineering, physics, mathematics.
How do I use the CSCH function? To use CSCH, type =CSCH( in a cell and provide the required arguments. Excel will show you the syntax and parameter hints as you type. Make sure to close the parentheses and press Enter to execute the function.
What happens if CSCH encounters errors? If CSCH encounters invalid arguments or calculation errors, it may return error values like #VALUE!, #NUM!, or #DIV/0!. Check your input values and ensure they meet the function's requirements.
Why is CSCH not working in my Excel? Common issues with CSCH include #DIV/0! when number is 0. Start by checking the syntax =CSCH(number), then verify each referenced cell or range.

Editorial review

Reviewed by Excel.Directory Editorial Team. Updated May 2026.