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Keys
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Function
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Input Value(s)
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Result(s)
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 fCOS
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Cosine
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Angle
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Cosine (x) in X
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f-1COS
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Arc cosine
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x not be greater than 1 or less than –1 (|x| ≤ 1)
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Principal value of arc cosine (x) in X
(0° ≤ result ≤ 180°)
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fSIN
|
Sine
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Angle
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Sine (x) in X
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f-1SIN
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Arc sine
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x not be greater than 1 or less than –1 (|x| ≤ 1)
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Principal value of arc sine (x) in X
(–90° ≤ result ≤ 90°)
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fTAN
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Tangent
|
Angle
|
Tangent (x) in X
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f-1TAN
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Arc tangent
|
Unrestricted x
|
Principal value of arc tangent (x) in X
(–90° ≤ result ≤ +90°)
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fR P
|
Convert rectangular coordinates (x,y) to polar form (r, θ)
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x, y in X, Y
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r, θ in X, Y
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f-1R P
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Convert polar coordinates (r, θ) to rectangular form (x, y)
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r, θ in X, Y
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x, y in X, Y. (Program halt on underflow in X.)
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f D.MS
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Convert decimal angle to DDDDD.MMSS format
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Decimal angle
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DDDDD.MMSS in X
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f-1 D.MS
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Convert DDDDD.MMSS format angle to decimal format
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DDDDD.MMSS
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Decimal angle in X
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fD.MS+
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Add (Y+x) in DDDDD.MMSS format
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y:
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DDDDD.MMSS
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x:
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DDDDD.MMSS in X (Sum)
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f-1D.MS+
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Subtract (Y–x) in DDDDD.MMSS format
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y:
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DDDDD.MMSS
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x:
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DDDDD.MMSS in X (Difference)
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