This paper presents a set of daylighting programs that can be run on a TI-59 hand calculator. The paper gives the program listings, the step-by-step procedures for using the programs, worksheets, and a worked sample problem.

The programs calculate interior horizontal illumination levels or daylight factors from a window. The user can specify the location of the calculation point, or, if a printer is available, the locations of a grid of points. Calculations can be performed for both CIE clear and overcast sky conditions.

The direct sky component calculation uses Riveros approximation for window transmission. The interreflected component calculation uses a split-flux approximation.

1 aBryan, Harvey, J.1 aClear, Robert, D.1 aRosen, James1 aSelkowitz, Stephen, E. uhttps://buildings.lbl.gov/publications/quicklite-1-daylighting-program-ti-5901095nas a2200169 4500008004100000024001600041245006200057210005800119260002600177300001200203520054700215100002200762700002000784700002300804700001700827856008100844 1981 eng d aEEB-W-81-1900aThe Use of Physical Scale Models for Daylighting Analysis0 aUse of Physical Scale Models for Daylighting Analysis aPortland, ORc09/1981 a865-8693 aA process is described for determining the quantitative and qualitative features of a proposed daylighting design using physical scale models. The paper presents and discusses in detail several issues (i.e., modeling techniques, testing, measurement, visual analysis and photography) that must be resolved before physical scale modeling can be undertaken. Finally, a physical scale modeling case study is presented which illustrates many of the issues outlined as well as a photographic sequence of the physical scale modeling process.

1 aBryan, Harvey, J.1 aLohr, Alexander1 aMathis, Christophe1 aRosen, James uhttps://buildings.lbl.gov/publications/use-physical-scale-models-daylighting