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Doug's Maths Functions
 

This Excel calculation can be downloaded by ExcelCalcs subscribers.Please login or Subscribe.

Description:


Function IP: Finds the intersection points of two 2D lines or polylines;
Function IPLC: Finds the intersection points of a 2D line and a circle;
Function IPCC: Finds the intersection points of two circles;
Function IPSSS: finds the 3D intersection points of three spheres;
Function IPSS: finds the location and radius of the intersection circle of two spheres;
Function RtoP, PtoR: Converts rectangular to polar coordinates and polar to rectangular;
Function Rotate: Rotates 2D or 3D rectangular axes about any axis;
Function Interp, Interp2, Loginterp, Loginterp2, Quadinterp: One way and 2 way linear, log interpolation and quadratic interpolation.

Courtesy of Interactive Design Services Pty Ltd - a small civil engineering consultancy based in Sydney, Australia, specializing in analysis, design, review and technical advice related to bridges and soil interaction structures such as retaining walls and buried structures. The principal of the company, Doug Jenkins, has over 30 years experience in the design and construction of bridges, retaining walls, and buried arch structures.

Calculation Reference
Maths
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Submitted On:
13 Feb 2009
Submitted By:
DougJenkins
File Date:
24 Jun 2008
File Author:
Doug Jenkins
File Version:
1.0
File Size:
103.50 Kb
File Type:
xls
File HomePage:
Click to visit site
Downloads:
319
Rating:
stars/4.gifTotal Votes:3
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Comments  

 
#4 Suelos 2010-06-20 21:27
vary goog
 
 
#3 questio 2009-09-24 07:51
Very very handy!
 
 
#2 djydave 2009-02-11 17:44
I only find one Macro in here and as far as exactly how to use it goes, maybe if you understand it and know where the other macros are you can post them as an addenda John. ADMIN: see response follow forum link.
 
 
#1 JohnDoyle 2008-06-24 13:03
This is a very poweful set of macros included in this download plus three worsheets to show you exactly how they work. Well done Doug.
 

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