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Function overview:

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

Help / Trigonometry / atan

Notation:

• atan(a)

Parameter(s):

• aNumber

Usage examples:

See also:

acos acosh asin asinh atan atan2 cos cosh deg pi rad sin sinh tan tanh