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+lesson 1
+
+looking at binary
+ordinal numbers - indexes, counters etc
+natural numbers - start from 0
+intergers - just any number
+rational numbers - just decimals
+
+should learn negative binary and floating point binary
+
+normal multiplication works in binary as well, its just multiplying by 1 or 0
+
+we looked at binary addition and multiplication
+
+we looked at hex to denary
+
+gonna do some programming
+
+
+todo:
+ floating point binary
+ negative binary
+ hex addition and multiplication
+`done!
+