The most recent complete international comparison of student math performance, PISA 2022, showed the OECD average mathematics score had fallen 15 points since 2018 — a significant decline attributed largely to pandemic-era learning disruption. According to the OECD, Singapore led the 2022 rankings with a score of 575, followed by Macao, Chinese Taipei, Hong Kong, Japan, and Korea — with East Asian education systems continuing to dominate the top of the table.

What’s coming next

The next data point lands soon: initial results from PISA 2025, in which more than 90 countries and economies participated, are scheduled for release on September 8, 2026. This cycle’s focal subject is science, with mathematics and reading assessed as minor domains — meaning the math data, while present, will be somewhat less detailed than in years when math is the primary focus.

Why the score matters beyond the headline ranking

Country rankings make for an easy headline, but the underlying skills being tested — working with functions, interpreting data, applying formulas to real-world problems — are the same fundamentals that show up far beyond a classroom test. Trigonometry, logarithms, and exponents (the exact functions covered by a typical scientific calculator) are recurring building blocks in fields from engineering to finance to basic science literacy, which is part of why sustained score declines across an entire generation concern educators well beyond the test itself.

Building comfort with the fundamentals

Whether you’re a student preparing for coursework or just brushing up on math you haven’t touched in years, working through real problems with the right tool is one of the most direct ways to rebuild fluency. Our scientific calculator supports trigonometric, logarithmic, and power functions directly in the browser, with a degrees/radians toggle — useful for checking your own work as you go, not just producing a final answer.