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Stuck with data problems?
let’s sort it out with me, easy!

Proven with over 100+ students taught,
helping you unlock data skills quickly and effectively!

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"I'm really happy with the class! Rafi explains things clearly and goes beyond theory—we jump into practical exercises."

- Omar (Data Analyst at Kimia Farma)

"Rafi’s Excel class is clear, to the point, and very effective. Learned key formulas easily!"

- Fira (Digital Marketing at GoTo)

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