Meets the requirements for bringing into the exam room.
According to the latest circular on regulations for the high school graduation exam, effective from February 8, 2025, calculators brought into the exam room must not have text editing functions or memory cards for data storage.
Therefore, the FLEXIO Fx590VN, Fx680VN, Fx680VN Plus, Fx799VN, and Fx509VN scientific calculators (also known as handheld calculators or pocket calculators) from Thien Long are eligible to be brought into the examination room.

Simultaneously, the Quality Measurement and Standardization Technical Center 3 (QUATEST 3) - a unit under the National Committee for Standards, Metrology and Quality - also conducted an assessment and concluded, as stated in notification number 0009/N5.25/DG: the FLEXIO Fx799VN calculator does not have text editing functions, does not have a memory card for data storage, does not transmit or receive information signals, and does not record audio or video.

In recent years, FLEXIO has launched a series of useful technology products for students, such as student calculators (scientific calculators), office calculators, power banks, pencil sharpeners, desktop vacuum cleaners, etc., providing a more convenient and effective learning experience. In particular, the FLEXIO Fx799VN & Fx509VN scientific calculator series, designed specifically for middle and high school students in Vietnam, has quickly gained market acceptance.
The latest version of FLEXIO Fx799VN optimizes data grouping processing alongside groundbreaking features such as spatial geometry problem solving and quick access function assignment keys, helping students improve their learning efficiency.


Combining powerful performance with a modern, colorful design, FLEXIO is not just a learning tool, but also a way for students to express their individuality.
According to a representative from Thien Long, the scientific calculator line is one of the products that Thien Long is focusing its resources on researching and developing, with the expectation of increasing its market share.
FLEXIO builds an ecosystem to support the teaching and learning of mathematics.
In addition to focusing on product technology development, FLEXIO also invests in developing an ecosystem that contributes to building a proactive approach to teaching and learning mathematics through activities such as organizing a series of math playgrounds, creating learning materials with FLEXIO, and building a community of Flexio users.
Specifically, to inspire and motivate students to love mathematics, especially practical and STEM mathematics, FLEXIO continuously partners with the Extended Mathematics Day (MOD) of the Vietnam Institute for Advanced Studies in Mathematics (VIASM) and the Asian Mathematical Olympiad (AIMO). The Asian Mathematical Olympiad – AIMO, first organized in 2012 by the Asian Mathematical Olympiad Committee, annually attracts approximately 150,000 students from over 20 countries and territories.

In each of its partner events, FLEXIO delivers exciting and highly practical experiences.

In addition, in 2025, FLEXIO also launched the E-book "Handbook for Conquering High School Mathematics" and the Fx799VN calculator emulator software. Teachers and students can download and use these learning materials completely free of charge from the Flexio Warranty Center website. These are extremely useful tools in the digital age.


FLEXIO leverages social media platforms like Facebook and Zalo to provide the fastest and most effective support to users through online groups. Here, information between users and FLEXIO is exchanged in a two-way manner, making the brand more approachable, in line with the motto that computers are trusted companions.
With FLEXIO, Thien Long not only provides products but also accompanies the younger generation on their journey to conquer knowledge.
The 7-year free in-home warranty policy, along with a 1-to-1 replacement guarantee in the first year for manufacturer defects, is a testament to the superior quality and strong commitment of Thien Long.
FLEXIO Warranty and Customer Service Center
- Website: https://flexio.thienlong.vn
- Hotline/Zalo: 090.280.1597
- Email: cs@thienlongvn.com
Source: https://tienphong.vn/may-tinh-khoa-hoc-flexio-dat-chuan-mang-vao-phong-thi-post1843570.tpo











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