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  1. Cleave Books
    Teacher Resources on Line (TRoL) include downloadable grid paper; T-tiles; dictionary exercises; shapes Bingo; MisMaths, an annotated collection of innumeracy and other math mistakes in news headlines; fact sheets; tables; formulas; a mathematical vocabulary list; flow diagrams, which chart common arithmetic and geometric routines for keying into a calculator, step by step; a pi strip, which displays the first one thousand digits of π, designed for banner display; Ancient Egyptian, Russian Peasant, and Gelosia multiplication methods, as well as techniques that employ quarter squares, logarithms, and triangle numbers; names of mathematicians and the years they lived; and UK national lottery results (1994-2001). See also Calendar Models, for downloadable polyhedron nets to fold-and-glue or fold-and-tuck together year-long displays in three dimensions; word problems, silhouettes for tangrams and pentominoes, and dissection challenges (Pages of Puzzles); and the list of specialist calculators on line (SCoL). From the publishers of A Mathematics Formulary and hosts of the Dictionary of Units (DUoL). more>>

  2. My Virtual Reference Desk - Bob Drudge
    Designed to be a one-stop reference guide to all things Internet. You can search the Web, AP/Reuters, or DejaNews by keyword; find the weather by city or zip code; get stock quotes; follow links to sources of news, radio news, newspapers, TV news, magazines, international news, and columns, and much, much more. more>>


 

Mason error

error in file:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm
 
line 79:  Bizarre copy of HASH in aassign
context:  
... 
75:  # them according to the format variables defined earlier in
76:  # this file and join them onto the $sub sub-routine string
77:  if ($hargs) {
78:  # we may trash some of the args so we take a copy
79:  @a = @DB::args; # must get local copy of args
80:  # don't print any more than $MaxArgNums
81:  if ($MaxArgNums and @a > $MaxArgNums) {
82:  # cap the length of $#a and set the last element to '...'
83:  $#a = $MaxArgNums;
... 
component stack:   /library/branch.html
/library/dhandler
code stack:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm:79

debug info:   Debug file is '/var/lib/mason/debug/anon/2'.

raw_error





























raw error:
 






























error while executing /library/branch.html:
Bizarre copy of HASH in aassign at /usr/lib/perl5/5.6.0/Carp/Heavy.pm line 79.