Tag Archives: Units

Units and solvers with Pint and Sympy

Posted on 29/07/2018 by dougaj4

Following the previous post I have adapted the units code to use the Pint package, and added a function using the Sympy equation solver, with Pint units.  I have applied the functions to finding the depth of neutral axis of a … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Maths, Newton, UDFs, VBA, xlwings | Tagged , , , , , , , , , , , | 1 Comment

Evaluating text – update

Posted on 28/06/2014 by dougaj4

One disadvantage of the spreadsheet style interface is that even simple formulae are difficult to check.  For instance, the deflection of a cantilever loaded at the end is given by: F*L^3/(3*E*I) which is much easier to read than the Excel … Continue reading →

Posted in AlgLib, Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , | 5 Comments

Feet and inches, and other units

Posted on 31/05/2014 by dougaj4

Following a query at Eng-tips I have had a look at options in Excel for converting metres to feet and inches, with the inches displayed as a fraction rather than a decimal. Converting from metres to feet or inches is … Continue reading →

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | 1 Comment

Units for Excel 5:

Posted on 28/08/2012 by dougaj4

Previous post on Units for Excel Download spreadsheet: Units4Excel.zip I have posted a new update of the Units4Excel spreadsheet for download (link above).  The main changes are: The ConvertA and ConvertA2 functions have been combined. The ToSI and FromSI functions have been deleted, … Continue reading →

Posted in Excel, Newton, UDFs, VBA | Tagged , , , , , | 3 Comments

Units for Excel 4: Scripting dictionaries

Posted on 08/08/2012 by dougaj4

As mentioned in the previous post I have now updated the Units4Excel spreadsheet with the use of scripting dictionaries to speed up the process of finding units in the lists, and also to simplify the process of adding or deleting units.  … Continue reading →

Posted in Excel, Newton, UDFs, VBA | Tagged , , , , , , | 6 Comments