28 citations
2 papers
math.LO2018★ 1 cited
Subrecursive Approximations of Irrational Numbers by Variable Base Sums
Ivan Georgiev, Lars Kristiansen, Frank Stephan
There are numerous ways to represent real numbers. We may use, e.g., Cauchy sequences, Dedekind cuts, numerical base-10 expansions, numerical base-2 expansions and continued fracti…
cs.HC2014★ 28 cited
Graphical Interface for Visually Impaired People Based on Bi-stable Solenoids
Stanislav Simeonov, Neli Simeonova
In this paper a concept for hardware realization of graphic tactile display for visually impaired peoples is presented. For realization of tactile actuators bi-stable, solenoids an…