print char2num(num2char(56))
56
print char2num(num2char(249))
-7
print num2char(249)
ÿ

Function extendedASCIIchar2num(chars)
	string chars
	make/o/t/n=(strlen(chars),2) W_chartranslation

//	Adds graphs from list to notebook.
//	Example:
//		String graphList = "Graph0;Graph1;Graph2;"
//		AddGraphsToNotebook("MyNotebook", graphList, 2, 0, 50)
Function AddGraphsToNotebook(nb, graphList, desiredNumGraphsInParagraph, graphicsMode, scaling)
	String nb								// Name of notebook, e.g., "MyNotebook"
	String graphList							// e.g., "Graph0;Graph1;" or WinList("*", ";", "") for all graphs
	Variable desiredNumGraphsInParagraph	// e.g., 2
	Variable graphicsMode					// e.g., 0; See documentation for Notebook picture= command.

//	SaveAllGraphsAsGraphicsFiles(pathName, extension, visibleOnly, format, bitmapRes)
//	NOTE: This overwrites existing files with the same name.
//	Example:
//		SaveAllGraphsAsGraphicsFiles("home", ".png", 1, -5, 288)
Function SaveAllGraphsAsGraphicsFiles(pathName, extension, visibleOnly, format, bitmapRes)
	String pathName			// Name of Igor symbolic path pointing to folder where graphics should be saved.
	String extension				// Extension for file name, e.g., ".tif", ".pdf", ".png" . . .

#pragma rtGlobals=1		// Use modern global access method.
 
Function Pla_intRebin(x_init, y_init,s_init, x_rebin)
	Wave x_init, y_init, s_init,x_rebin
 
//Rebins histogrammed data into boundaries set by x_rebin.
//makes the waves W_rebin and W_RebinSD.
 
//it uses linear interpolation to work out the proportions of which original cells should be placed
//in the new bin boundaries.
 
// Precision will normally be lost.  
// It does not make sense to rebin to smaller bin boundaries.

Function MDtextsort(w,keycol)
	Wave/t w
	variable keycol
 
	variable ii
 
 
	make/t/o/n=(dimsize(w,0)) key
	make/o/n=(dimsize(w,0)) valindex
 
	key[] = w[p][keycol]
	valindex=p
 
	sort/a key,key,valindex
 
	duplicate/o/t w, M_newtoInsert

Function/c centreofMass2D(w,xx,yy)
wave w,xx,yy
//w is a 2D image wave.
//xx and yy are abscissa and ordinates of image wave
//xx and yy should be 1 point larger than w, as we are considering an image wave
//return C-O-M via a complex value
 
variable ii,jj,totalmass=0,sumrmx=0,sumrmy=0
 
for(ii=0;ii<dimsize(w,0);ii+=1)
	for(jj=0;jj<dimsize(w,1);jj+=1)
		totalmass+=w[ii][jj]
		sumrmx += w[ii][jj]*(xx[ii]+xx[ii+1])/2