Scientific Calculator 417 Functions Natural Display with Sliding Cover

Product DescriptionSee Complex Mathematics in a More Familiar Way

Long formulas become easier to manage when the screen presents them clearly. The SENBO 417-Function Scientific Calculator features a natural textbook-style display that shows supported fractions, roots, integrals and mathematical expressions in a format that looks closer to printed study material.

With four-line display support, eight calculation modes and Multi-Replay navigation, it helps students review calculations, correct input errors and work through different mathematical subjects with greater confidence.

Compact enough for everyday carry and supplied with a sliding protective cover, it is a practical choice for school, university, home study and technical office calculations.

Main Features

417 Scientific Functions

Natural Textbook-Style Display

Four-Line LCD Display Support

10+2 Digit Screen Format

8 Calculation Modes

Multi-Replay Step Review

Integration and Differentiation

Matrix, Vector and Complex-Number Calculations

Statistics, Equations and Function Tables

Solar and Replaceable Battery Dual Power

Automatic Power-Off

Protective Sliding Cover

A Display Designed for Better Understanding

A standard one-line screen can make fractions and longer expressions difficult to follow. The natural display presents supported calculations in a clearer mathematical layout, helping the information look more familiar when compared with textbooks, worksheets and classroom notes.

It is useful when working with:

Fractions and roots

Integrals and derivatives

Trigonometric expressions

Matrices and vectors

Complex numbers

Longer equations

The four-line display capability also allows lists, tables and multiple values to be shown in a more organised way, depending on the selected mode.

417 Functions for Everyday and Advanced Study

This calculator supports a broad range of mathematical tasks, from ordinary arithmetic to more advanced calculations.

Available functions include:

Fractions and mixed calculations

Powers, roots and logarithms

Trigonometry

Statistics

Integration and differentiation

Equations

Matrix operations

Vector calculations

Complex numbers

Function tables

Number-base calculations

Its wide function range makes it suitable for learners progressing from high-school mathematics to university and technical subjects.

Eight Modes in One Calculator

Select the mode that suits your current task:

1. COMP - General calculations
2. CMPLX - Complex numbers
3. STAT - Statistics
4. BASE-N - Number-base calculations
5. EQN - Equations
6. MATRIX - Matrix operations
7. TABLE - Function tables
8. VECTOR - Vector calculations

The organised mode system makes switching between subjects more convenient without requiring multiple calculators.

Review and Correct with Multi-Replay

One incorrect number should not mean entering the full formula again.

The central Multi-Replay control allows you to browse previous input, find the part that needs attention and make corrections before continuing. This is especially useful for longer equations, homework, revision and repeated practice exercises.

It saves time while helping the calculation process feel more organised.

Two-Way Power for Dependable Use

The calculator combines solar-assisted power with a replaceable button battery, providing reliable support in different lighting environments.

The automatic power-off function helps reduce unnecessary energy use when the calculator is left inactive, making it suitable for regular classroom, library and office use.

Protected When You Carry It

The included dark sliding cover helps protect the screen and keypad against everyday scratches while the calculator is stored in a backpack, school bag, laptop case or desk drawer.

Its responsive plastic keys feature clear labels and colour-coded secondary functions, helping commonly used operations remain easy to identify.

With an approximate size of 162 × 80mm and weight of around 113g, it is compact enough for everyday transport without feeling too small on a desk.

Recommended Uses

High-school and university mathematics

Algebra and trigonometry

Statistics

Physics and science studies

Engineering-related calculations

Financial and technical work

Homework and revision

Examination preparation

Please note: Schools, universities and examination bodies may have different calculator rules. Confirm the applicable requirements before taking it into a formal examination.

Specifications

Brand: SENBO

Product Type: Scientific Calculator

Model Style: FX-991ES Plus

Functions: 417

Calculation Modes: 8

Display: Natural Textbook-Style LCD

Display Capability: Four-Line Support

Screen Format: 10+2 Digit Display

Replay: Multi-Replay

Power: Solar-Assisted + Replaceable Button Battery

Power Saving: Automatic Power-Off

Approximate Size: 162 × 80mm

Approximate Weight: 113g

Colour: White with Blue and Orange Details

Cover: Sliding Protective Cover

What's in the box
1 x SENBO Scientific Calculator
1 x Sliding Protective Cover