There are 41 engineering functions varying in usefulness, power and potential complexity.

Conversion Functions

Complex Number Functions

Bessel Information Functions

Function Usefulness Power Complexity
BESSELI
BESSELJ
BESSELK
BESSELY

Testing Functions

Function Usefulness Power Complexity
DELTA
GESTEP

Error Functions

Function Usefulness Power Complexity
ERF
ERF.PRECISE
ERFC
ERFC.PRECISE
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Using a Engineering function:
Using a Engineering Excel function

Summary

Excel's engineering functions perform common engineering calculations and conversions.