BESSELI
Returns the modified Bessel function In(x).
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Engineering
Engineering functions support specialized calculations in scientific and technical workflows.
They enable domain-specific computations directly in Excel.
Often combined with math functions for repeatable models.
Tips
- Document units and assumptions clearly.
- Validate formulas with known test cases.
Excel functions in this category (54)
BESSELJ
Returns the Bessel function Jn(x).
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BESSELK
Returns the modified Bessel function Kn(x).
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BESSELY
Returns the Bessel function Yn(x).
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BIN2DEC
Converts a binary number to decimal.
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BIN2HEX
Converts a binary number to hexadecimal.
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BIN2OCT
Converts a binary number to octal.
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BITAND
Returns a 'Bitwise And' of two numbers.
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BITLSHIFT
Returns a value number shifted left by shift_amount bits.
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BITOR
Returns a bitwise OR of 2 numbers.
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BITRSHIFT
Returns a value number shifted right by shift_amount bits.
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BITXOR
Returns a bitwise 'Exclusive Or' of two numbers.
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COMPLEX
Converts real and imaginary coefficients into a complex number.
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CONVERT
Converts a number from one measurement system to another.
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DEC2BIN
Converts a decimal number to binary.
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DEC2HEX
Converts a decimal number to hexadecimal.
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DEC2OCT
Converts a decimal number to octal.
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DELTA
Tests whether two values are equal.
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ERF
Returns the error function.
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ERF.PRECISE
Returns the error function.
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ERFC
Returns the complementary error function.
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ERFC.PRECISE
Returns the complementary ERF function integrated between x and infinity.
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GESTEP
Tests whether a number is greater than a threshold value.
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HEX2BIN
Converts a hexadecimal number to binary.
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HEX2DEC
Converts a hexadecimal number to decimal.
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HEX2OCT
Converts a hexadecimal number to octal.
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IMABS
Returns the absolute value (modulus) of a complex number.
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IMAGINARY
Returns the imaginary coefficient of a complex number.
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IMARGUMENT
Returns the argument theta, an angle expressed in radians.
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IMCONJUGATE
Returns the complex conjugate of a complex number.
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IMCOS
Returns the cosine of a complex number.
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IMCOSH
Returns the hyperbolic cosine of a complex number.
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IMCOT
Returns the cotangent of a complex number.
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IMCSC
Returns the cosecant of a complex number.
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IMCSCH
Returns the hyperbolic cosecant of a complex number.
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IMDIV
Returns the quotient of two complex numbers.
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IMEXP
Returns the exponential of a complex number.
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IMLN
Returns the natural logarithm of a complex number.
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IMLOG10
Returns the base-10 logarithm of a complex number.
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IMLOG2
Returns the base-2 logarithm of a complex number.
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IMPOWER
Returns a complex number raised to an integer power.
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IMPRODUCT
Returns the product of complex numbers.
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IMREAL
Returns the real coefficient of a complex number.
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IMSEC
Returns the secant of a complex number.
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IMSECH
Returns the hyperbolic secant of a complex number.
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IMSIN
Returns the sine of a complex number.
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IMSINH
Returns the hyperbolic sine of a complex number.
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IMSQRT
Returns the square root of a complex number.
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IMSUB
Returns the difference between two complex numbers.
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IMSUM
Returns the sum of complex numbers.
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IMTAN
Returns the tangent of a complex number.
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OCT2BIN
Converts an octal number to binary.
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OCT2DEC
Converts an octal number to decimal.
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OCT2HEX
Converts an octal number to hexadecimal.
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