Category Archives: Math in Delphi

Adding Large Integers and Floats to Delphi

Posted on March 30, 2015 by esbglenn

I must admit one of my biggest disappointments with 64-bit support in Delphi was the loss of the 80-bit Extended (as it is now mapped to the 64-bit Double). I’ve also always enjoyed (remember I did do a Maths Degree … Continue reading →

Posted in Beta Development, Math in Delphi | Tagged , , , , | 2 Comments

Improving Quartile Calculations in Delphi

Posted on January 3, 2014 by esbglenn

Whilst the definition of Quartiles (see Wikipedia) is basically agreed upon, the calculation of the 1st and 3rd Quartiles is not – and it is tough to find even two Stats Packages that compute them the same way 🙁 Some, … Continue reading →

Posted in Beta Development, Math in Delphi | Tagged , , , , , , , | Leave a comment

Improved Statistics for Delphi by adding Null support

Posted on January 1, 2014 by esbglenn

ESBPCS for VCL has quite a few Statistical Routines and Components – basically aimed to cover what you would do in a First Year University Course (for many years I taught 1st Year Stats to Bachelor of Commerce and MBA … Continue reading →

Posted in Beta Development, Math in Delphi | Tagged , , , , , , , , , | Leave a comment

Fraction Edits for Delphi + Special Discount

Posted on December 13, 2013 by esbglenn

Further to the recent discussion on our new Fraction Type, TEDLFraction, we have also now completed the associated Fraction Edit for VCL – this allows Fractions to be entered as Floats, Improper Fractions or Mixed Fraction, and then displayed as … Continue reading →

Posted in Beta Development, Math in Delphi | Tagged , , , , , | Leave a comment

Much improved Fractions

Posted on December 2, 2013 by esbglenn

With the rewrite / redesign of ESBPCS for VCL into ESBDevLib for VCL/FMX, we have been looking at ways to better use new features. Currently we are aiming at Delphi XE2 and above – though we may make the FMX … Continue reading →

Posted in Beta Development, ESBPCS, Math in Delphi | Tagged , , | 2 Comments

Mathematical “mod” versus Delphi “mod”.

Posted on January 27, 2013 by esbglenn

Last week I discovered that I had “assumed” that the mod operator in Delphi was the same as the mod operator that I’ve always used in Mathematics. For most of the algorithms I use, I am dealing with Positive Integers … Continue reading →

Posted in Math in Delphi | Tagged , , , | Leave a comment