catto.ar
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Betelgeuse Bellatrix Mintaka Alnilam Alnitak Saiph Rigel

The workshop

What came out while I was building the rest. None of this is electronics and all of it is used right here, in the browser.

♟️ Chess 🔢 Calculator ✒️ Cursive 🎸 Music

"Omnes sumus in canale, pauci autem ad astra vident"

Little pig with wings flying toward the stars
✍️

Cursive writing

From print to cursive: the basic strokes, the alphabet with animated stroke order, connections and words to trace with your finger or the mouse. With free-form lines and printable templates.

Interactive Teaching
Open card →

Play with a classmate

2 players

Challenge the person next to you: you both play on this same screen, taking turns. Pick the clock, and make your move.

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Black
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♔
White
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White to move
catto.ar SC-48 · SCIENTIFIC
INV HYP M ENG DEG
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Tap the keys or type on the keyboard (Enter =, Esc clears all).


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Back to the Electronics Technician program

The 95 topics of the Electronics Technician program, from year 4 to year 7.

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