Learning to calculate square roots quickly can make a huge difference in your maths exams. Whether you're doing algebra, geometry, or other topics, being fast and accurate with square roots gives you ...

A test-tube circuit made of DNA-based logic gates can calculate the square root of numbers up to 15, using DNA replication and sequence binding to conduct computations. It's excruciatingly slow ...

Previous DNA computer models have been able to calculate square roots with up to 4-bit binary numbers, says the team, led by researcher Chunlei Guo, in the paper's abstract.