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FACTREE gives you something interesting to discover every day — and something worth talking about together.
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Mathematics
Quick fact
The Chinese Remainder Theorem, first recorded by Sun Tzu in the 3rd century, reduces a calculation modulo a large composite number to smaller calculations modulo its prime factors, making RSA decryption up to four times faster.
Why this is interesting
Imagine you know a number's remainders when divided by 3 and by 5. Can you figure out the number itself? This ancient puzzle holds the key to modern cryptography.
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
This private catalogue connects 31 subjects, study routes and careers across six broad areas. Public Maps and learner routes remain off.
Browse subjects
Open a subject to see its complete shape at a glance. You can always return here and choose something else.
See what programming involves, how its main areas connect, and whether you find the knowledge interesting enough to take it further.
Structuring the Programming Map…
Complete subject map
Move from the one-screen overview into all 19 areas. Open any area, compare possible Paths and return to the overview whenever you want.
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Curiosity quiz
One question at a time. A wrong answer is simply another way into something worth knowing.
Administrator
Review learner demand, card visibility and private knowledge-architecture evidence.
Knowledge architecture
This background view organises existing cards. It is separate from the authored lessons above.
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Curriculum coverage
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