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Listed under: Mathematics > Number (Mathematics) > Numeral systems > Bases (Numeral systems) > Binary numeral system

Listed under: Mathematics > Number (Mathematics) > Numeral systems > Place value > Bases (Numeral systems) > Binary numeral system

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Creating my own spreadsheet to convert binary to decimal

TLF-IDA003456

A spreadsheet can be used to do calculations quickly using formulas. How can we make a spreadsheet that converts a binary number to a decimal number? This lesson provides some guidance and Excel files for student and teacher use.

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What are pixels?

TLF-IDM020591

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...