LEADER 00000nam 2200217 a 4500 001 0862383129 003 UkHlHU 007 t 008 960520s1993 KEN 000 020 0862383129 040 UkHlHU 100 1 Watkins, Tony. 245 10 DERIVE-based investigations :|bfor post-16 core mathematics. 250 2nd ed. 260 Kent :|bChartwell Bratt,|c1993. 300 102 p. 650 0 Mathematics|xData processing. 650 0 Functions|xData processing. 650 0 Derive. 936 UCS bib. record
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