Study Tips
Three Habits Before Writing Your First Formula
Read it all, sketch the system, list what you know: simple, yet often skipped.
Presisi Academy Team 1 min read
Many mistakes in olympiad problems happen not because you don't know the formula, but because you rush.
Read the whole problem before calculating
Sketch the system or situation
Write down what is known and what is asked
Keep reading
Study Tips
Understanding the OSN Stages: District, Province, National
The OSN selection is tiered. Understand each stage so your preparation stays focused.
1 min read
Announcements
Online OSN Training Registration Is Open
Live online OSN classes for primary to senior high are now open for registration. In-person classes will follow.
1 min read