Number sequences and calculators
By entering 4 + + = you can make your calculator into an ?add 4?machine. Follow the instructions on these pages. Useful when adding the same number lots of times or looking at patterns and sequences.
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Number sequences and calculators
By entering 4 + + = you can make your calculator into an ?add 4?machine. Follow the instructions on these pages. Useful when adding the same number lots of times or looking at patterns and sequences.