initial commit / add all books

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diff --git a/182/CH12/EX12.1/12_1.txt b/182/CH12/EX12.1/12_1.txt
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+

+1.accuracy as a percentage of reading for scale reading 10= -5.0

+  accuracy as a percentage of full scale= -0.5

+  accuracy as a percentage of reading for scale reading 50= 3.4

+  accuracy as a percentage of full scale= 1.7
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diff --git a/182/CH12/EX12.1/example12_1.sce b/182/CH12/EX12.1/example12_1.sce
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+//to find the accuracy as a percentage of reading and percentage of full scale
+// example 12-1 in page 355
+clc;
+// Data given
+r=[10 50];//scale readings
+c=[-0.5 1.7];// respective correction
+f=100;//full scale reading
+//calculation
+for n=1:2
+    pr=c(n)*100/r(n);// accuracy as a percentage of reading
+    pf=c(n)*100/f;//accuracy as a percentage of full scale
+    printf("accuracy as a percentage of reading for scale reading %d= %.1f percent\n",r(n),pr);
+    printf("accuracy as a percentage of full scale= %.1f percent\n",pf);
+end
+//result
+//accuracy as a percentage of reading for scale reading 10= -5.0
+//accuracy as a percentage of full scale= -0.5
+//accuracy as a percentage of reading for scale reading 50= 3.4
+//accuracy as a percentage of full scale= 1.7
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