by Adam Orenstein (6 Submissions)
Category: Math/Dates
Compatability: Visual Basic 3.0
Difficulty: Advanced
Date Added: Wed 3rd February 2021
Rating: 
(4 Votes)
this here is a whole bunch of math functions! Too many for me to list right here so come in and check em' all out
VBcodersPublic Function InvSin(Number As Double) As Double
InvSin = CutDecimal(Atn(Number / Sqr(-Number * Number + 1)), 87)
End Function
Public Function InvCos(Number As Double) As Double
InvCos = Atn(-Number / Sqr(-Number * Number + 1)) + 2 * Atn(1)
End Function
Public Function InvSec(Number As Double) As Double
InvSec = Atn(Number / Sqr(Number * Number - 1)) + Sgn((Number) - 1) * (2 * Atn(1))
End Function
Public Function InvCsc(Number As Double) As Double
InvCsc = Atn(Number / Sqr(Number * Number - 1)) + (Sgn(Number) - 1) * (2 * Atn(1))
End Function
Public Function InvCot(Number As Double) As Double
InvCot = Atn(Number) + 2 * Atn(1)
End Function
Public Function Sec(Number As Double) As Double
Sec = 1 / Cos(Number * PI / 180)
End Function
Public Function Csc(Number As Double) As Double
Csc = 1 / Sin(Number * PI / 180)
End Function
Public Function Cot(Number As Double) As Double
Cot = 1 / Tan(Number * PI / 180)
End Function
Public Function HSin(Number As Double) As Double
HSin = (Exp(Number) - Exp(-Number)) / 2
End Function
Public Function HCos(Number As Double) As Double
HCos = (Exp(Number) + Exp(-Number)) / 2
End Function
Public Function HTan(Number As Double) As Double
HTan = (Exp(Number) - Exp(-Number)) / (Exp(Number) + Exp(-Number))
End Function
Public Function HSec(Number As Double) As Double
HSec = 2 / (Exp(Number) + Exp(-Number))
End Function
Public Function HCsc(Number As Double) As Double
HCsc = 2 / (Exp(Number) + Exp(-Number))
End Function
Public Function HCot(Number As Double) As Double
HCot = (Exp(Number) + Exp(-Number)) / (Exp(Number) - Exp(-Number))
End Function
Public Function InvHSin()
InvHSin = Log(Number + Sqr(Number * Number + 1))
End Function
Public Function InvHCos(Number As Double) As Double
InvHCos = Log(Number + Sqr(Number * Number - 1))
End Function
Public Function InvHTan(Number As Double) As Double
InvHTan = Log((1 + Number) / (1 - Number)) / 2
End Function
Public Function InvHSec(Number As Double) As Double
InvHSec = Log((Sqr(-Number * Number + 1) + 1) / Number)
End Function
Public Function InvHCsc(Number As Double) As Double
InvHCsc = Log((Sgn(Number) * Sqr(Number * Number + 1) + 1) / Number)
End Function
Public Function InvHCot(Number As Double) As Double
InvHCot = Log((Number + 1) / (Number - 1)) / 2
End Function
Public Function Percent(is_ As Double, of As Double) As Double
Percent = is_ / of * 100
End Function
