Product Description
Your Everyday Study Partner for Maths and Science
Success in mathematics often comes down to confidence, preparation and having the right tools close at hand. The SENBO Scientific Calculator is designed to support students through everyday learning, from classroom lessons and homework to revision sessions and advanced mathematical study.
Combining 417 scientific functions, natural textbook-style display, 8 calculation modes and a dependable solar-assisted dual-power system, it delivers practical performance in a compact design that is easy to carry every day.
Whether you're learning new formulas, solving equations or checking answers before submitting an assignment, this calculator is built to make studying more organised, efficient and enjoyable.
Why Students Choose This Calculator
417 Scientific Functions
Natural Textbook Display
Four-Line LCD Screen
Multi-Replay Function
Solar-Assisted Dual Power
Replaceable Backup Battery
Automatic Power-Off
Sliding Protective Cover
Lightweight and Portable
Easy-to-Read Key Layout
Designed Around Daily Learning
A calculator should make learning easier, not more complicated.
The clear natural display presents supported fractions, roots and mathematical expressions in a format that feels familiar when compared with textbooks and classroom notes. This helps reduce confusion when following examples or checking calculations during lessons.
The four-line display provides a more organised viewing experience, making it easier to review values and compare different calculation steps while studying.
Learn, Review and Correct with Confidence
Making mistakes is a normal part of learning.
The built-in Multi-Replay function allows you to move back through previous calculations, review earlier entries and correct individual numbers or symbols without typing the entire equation again.
This simple feature can save valuable study time and encourages students to check their work more carefully before moving on to the next question.
Reliable Wherever You Study
The calculator combines solar-assisted operation with a replaceable button battery, giving dependable performance in classrooms, libraries, study rooms and at home.
When sufficient light is available, the solar panel helps support operation. In lower-light environments, the backup battery continues supplying power, helping reduce interruptions while studying.
Automatic power-off also helps conserve battery life when the calculator is not being used.
Built for Everyday Student Life
Students carry calculators almost everywhere, so durability matters just as much as performance.
The slim body fits neatly into school bags, backpacks and laptop sleeves without taking up unnecessary space. The included sliding protective cover helps protect the screen and keypad from scratches during daily transport.
Responsive plastic keys with clearly printed symbols provide comfortable operation for both short calculations and longer study sessions.
Suitable For
School Mathematics
University Mathematics
Science Subjects
Engineering Courses
Homework
Revision
Classroom Learning
Daily Calculations
Important: Calculator requirements differ between schools, universities and examination authorities. Please confirm local examination regulations before use.
Specifications
Brand: SENBO
Product Type: Scientific Calculator
Model Style: FX-991ES Plus
Functions: 417
Calculation Modes: 8
Display: Natural Textbook Display
Screen: Four-Line LCD
Replay: Multi-Replay
Power: Solar-Assisted + Replaceable Battery
Power Saving: Auto Power-Off
Size: Approx. 162 × 80 mm
Weight: Approx. 113 g
Protective Cover: Sliding Cover
What's in the box
1 x SENBO Scientific Calculator
1 x Sliding Protective Cover
