With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

A description of a four-phase RC oscillator of a sinusoidal and rectangular shape is given. A triangular-shaped signal is obtained by the counterphase addition of half-waves of sinusoidal signals ...

In this activity, the teacher should create a set of cards with different graphs of functions and another set of cards with their functions written on them. The students will match the graphs with the ...

Abstract: In this contribution, the Ewald method has efficiently been applied to accelerate the computation of the rectangular waveguide Green’s functions (GFs) derivatives. Based on previous works, ...

Vector graph or chart of logistic or sigmoid function with formula or equation y=1/(1+e^(-x)). Plot of the error function. The mathematical operation, basic function ...

Vector graph or chart of exponential function with formula or equation f(x) = ax, or f(x) = exp x. The mathematical operation, basic function. Graph with grid and coordinates isolated on white.

If you’re taking an algebra, geometry or calculus class, your instructor will likely require a graphing calculator for your course. A graphing calculator is an essential tool for visually ...