Recipie			Source Files
-----------------------------------------------------------
2.1                     numbers.xml
                        format-numbers-into-cols.xslt
                        
Example 2.4             format-numbers-into-columns-acct.xslt
Example 2.5             format-numbers-into-columns-euro.xslt
Example 2.6             format-numbers-into-columns-roman.xslt
Example 2.7             format-numbers-into-spread.xslt
Formmating using arabic format-numbers-into-columns-arab.xslt
-----------------------------------------------------------
2.2                     rounding.xslt

-----------------------------------------------------------
2.3                     math.roman.xslt

-----------------------------------------------------------
2.4                     math.convert-base.xslt

-----------------------------------------------------------
2.5                     math.abs.xslt    (absolute value)
                        math.sqrt.xslt   (square root)
                        math.log.xslt    (logarithms)
                        math.power.xslt  (power)
                        math.fact.xslt   (factorial) 

-----------------------------------------------------------
2.6                     math.sum.xslt
                        math.product.xslt


-----------------------------------------------------------
2.7                     math.min.xslt
                        math.max.xslt

Example 2.9 EXSLT       See exslt/math.zip
Implementation 

Example 2.11            math.lowest.xslt
Exanple 2.12            malth.lowest.alt.xslt       

2.7 Discussion          other/math.min-slow.xslt
                        math.min-max.xslt

-----------------------------------------------------------
2.8                     math.median.xslt
                        math.mode.xslt
                        math.variance.xslt
-----------------------------------------------------------
2.9                     math.combo.xslt

-----------------------------------------------------------
2.10                    bittesting.xslt
2.10 Discussion         bittesting2.xslt

