The Speed of Sound Calculator for Ideal Gases is an online tool designed to calculate the speed of sound in an ideal gas based on the provided parameters.

he Doppler Effect calculator for sound waves calculates the observed frequency and wavelength of a sound wave given the source frequency, speed of source, and speed of sound in the air.

A waveform and frequency tone generator calculator with adjustable parameters such as frequency, amplitude, waveform type, and file format output.

The calculator displays the waveform of the input audio file fragment.

The article describes how to use input and output files in Planetcalc calculators