Prove that you can make any type of logic gate using just NAND gates.
An introduction to a useful tool to check the validity of an equation.
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
In an extension to the Stonehenge problem, consider the mechanical possibilities for an arrangement of frictional rollers.
This is the technology section of stemNRICH - Core.
Can you work out what this procedure is doing?