What are the different math functions in QTP?

Here is the list of different maths (mathematical) functions provided in QTP.

Abs Function - Gets absolute value of the number

Fix Function  - returns integer part of the number.
Int Function  - returns the integer part of the number.
round Function - rounds the number

Rnd Function  - gets random number
Sqr Function  - find the square root of the number
Sgn Function  - finds the sign of the number.

Geometrical functions-
Sin Function
Cos Function
Atn Function

Tan Function

Logarithmic functions - 

Log Function
Exp Function

Examples on these functions are given on VBScript blog.

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