3 is a multi-channel signal analyzer and data acquisition tool. It allows users to capture, analyze, and visualize audio and vibration signals. Features include real-time spectrum analysis, waveform display, and export of data in various formats.
Learn alphabet and numbers through finger tracing, audio feedback, and animated visuals. Children can practice writing letters and digits, listen to pronunciations, and watch interactive animations to reinforce recognition and motor skills.
Practice facts with customizable card sets for addition, subtraction, multiplication, division, and mixed operations. Choose from six difficulty levels per operation. Use speech recognition to enter answers. Includes sound effects and animations.
