Record and playback audio with a single button for each action. Play sounds one at a time. Lock interface for controlled access. Designed for users with physical difficulties in pressing small buttons. Used in therapy for special needs students.
by Aardustry GmbH★ 5.02 ratingsEducationFreeData updated 2026-09-08
Learn to play the English Treble through an interactive . Practice button presses on a 48-button layout. Play tunes and familiarize yourself with the instrument's mechanics. No real instrument required.
Perform arithmetic with mixed and decimals, including bracketed expressions and unlimited precision. Calculate results in fraction, decimal, or mixed form. Review calculations on a scrollable paper tape and email results.