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• Standard Functions
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Function overview:

• abs
• acos
• acosh
• asin
• asinh
• atan
• atanh
• binomial
• ceil
• cos
• cosh
• cross
• deg
• det
• diff
• e
• exp
• factorize
• floor
• for
• gcd
• i
• in
• j
• lcm
• len
• length
• ln
• log
• magic
• max
• min
• mod
• nCr
• normalize
• pi
• plot
• rad
• rand
• round
• sin
• sinh
• size
• solve
• sqr
• sum
• tan
• tanh

Help / Standard functions / Sign function

Notation:

• sgn(a)

Parameter(s):

• aNumber

Usage examples:

sgn(-5)

sgn(0)

sgn(5)

plot(sgn(x),x=-1.5..1.5)

See also:

abs ceil doublefactorial e exp factorial floor for ln log max min mod product rand sgn sqr sum