Both our electrical meter and our gas meter are located in the basement of our house (we recently had the gas meter moved outside though). When people see this they always ask if the meter readers … ...

Ayhan Kursat Erbas1*, Muge Ince1, Sukru Kaya2, Learning Mathematics with Interactive Whiteboards and Computer-Based Graphing Utility, Educational Technology & Society, Vol. 18, No. 2 (April 2015), pp.

The graph database approach optimizes each element of the grid in real time, fixes things rapidly when any point in the grid fails.