Command
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Description
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Example
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e
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constant e = 2.18281828…
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y = e^x
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pi
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constant p = 3.141592654…
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y = pi x2
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sin
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sine of an angle
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y = sin 2x
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cos
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cosine of an angle
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y = cos3 x
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tan
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tangent of an angle
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r = 2tan th
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asin or sin-1
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arcsine or inverse sine
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y = asin(x) y = sin-1(x)
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acos or cos-1
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arccosine or inverse cosine
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as above
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atan or tan-1
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arctangent or inverse tangent
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as above
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sec
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secant of an angle
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y = sec2 x
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cosec
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cosecant of an angle
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as above
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cot
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cotangent of an angle
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as above
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cosh
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hyperbolic cosine
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y = cosh x
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sinh
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hyperbolic sine
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y = sinh x
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tanh
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hyperbolic tangent
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y = tanh x
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ln
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natural logarithm
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y = ln(2x)
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log
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base 10 logarithm
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y = log(x)
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log base n
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base n logarithms
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y = log2 x
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sr or sqrt
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square root
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y = sr(x) y = sqrt(x-2)
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abs
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absolute value
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y = abs x
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|
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absolute value
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y = |x - 2|
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root
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nth root. Any root of the argument can be found by adding the number in front of the word "root"
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y = 3root x y = 5root(x2)
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normal
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calculates the normal probability distribution for x standard deviations from the mean
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y = normal(x)
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gint
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greatest integer function
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y = gint(x)
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greatest integer function
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y = [| x |]
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sgn
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sign function
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y = sgn(x)
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inverse secant
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y = asec(x)
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acosec or arccosec
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inverse cosecant
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y = acosec(x)
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acot or arccot
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inverse cotangent
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y = acot(x)
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