DTMF Signal

Author:Joel Inacio

Sample of DTMF signals. Those we hear when you press a key on the cell phone or telephone. Demonstração dos Sinais DTMF. Aqueles que a gente ouve quando tecla no celular ou telefone.

New Resources

Using Experimental Probability to Estimate π - Monte Carlo Method
Exploring GeoGebra for the First Time
apec
Equation of Locus - Parabola
Triangle with 3 Right Angles

Discover Resources

Golf course #1
Magic4
Spinning baseball
Unit Circle and Tangent Graph
Pythagorean theorem
Building Symmetric Outfits

Discover Topics

Limits
Logic
Vectors
Linear Regression
Definite Integral