A private AI assistant you own. A Raspberry Pi 5 with a 10.1" touchscreen runs its model (Gemma 3 4B) on the device: chat, memory, reminders, voice in English, Italian and Spanish, and answers from your own documents, with the router unplugged. New: PHNTM Tutor, a math tutor that teaches how to find the answer and grades by exact arithmetic, with a Parent view; and PHNTM Missions, which turns a goal into a checked plan and keeps an honest record. $799 once, no subscription, hand-built to order.