Technology Made Easy
Simple, reliable tech designed for real people so you can focus on what matters, not on tech problems.
About Us
Red Star Tec creates simple, reliable technology designed for real people. Our products are built to work when you need them most, without complicated setup or confusing features. From classrooms to meetings and everyday tasks, we focus on tools that are easy to use and dependable. With clear guidance and friendly support, we help you focus on what matters ,not on tech problems.
What makes Red Star Tec products easy to use?
Our products are designed with simplicity in mind. Most devices are plug-and-play with clear instructions, so you can start using them quickly without complicated setup.
Who are Red Star Tec products designed for?
Our products are made for teachers, presenters, students, professionals, and anyone who wants reliable technology that simply works without stress.
What should I do if I have trouble with a product?
We stand behind our products. If something goes wrong, our support team will guide you through troubleshooting
Our Products
Our Products
PR-820 Presentation Clicker
Take control of every presentation with a reliable wireless remote equipped with air mouse , volume, media control
SC-216 Scientific Calculator
A reliable scientific calculator built for students and professionals ,clear display, essential functions, and dependable performance
USB C and A Hub
Expand your laptop instantly with a USB-C and A hub .Add fast USB ports for accessories, storage, and everyday productivity.
T-90 Wireless Earbuds
Enjoy clear wireless audio with compact earbuds designed for everyday listening, comfortable fit, and fast charging.
[NEW] Mouse & Mousepad
Work comfortably with a smooth precision mouse and ergonomic wrist-support mousepad designed for all-day productivity.
Smart. Simple. Exam-Approved.
RED STAR TEC SC-216 SCIENTIFIC CALCULATOR
Tackle math exams with confidence. The SC-216 is exam-approved, non-programmable, and packed with functions for algebra, trig, and fractions. Lightweight, durable, and student-friendly—perfect for school, college, and standardized tests.
NON- GRAPHING CALCULATOR
Simple calculator ideal for standardize tests.
When every second counts during an exam, you need a calculator that’s fast, reliable, and efficient.
NON PROGRAMMABLE
Meets exam rules; no saved formulas or custom functions.
FOUR FUNCTION CALCULATOR
Performs addition, subtraction, multiplication, and division only.
ALGREBRA AND TRIGONOMETRY CALCULATOR
Supports advanced math like equations, functions, and trig.
FRACTION CALCULATOR
Easily solves and simplifies fractions and mixed numbers.
Meets ACT Standards
4 Function Non Graphing Scientific Calculator
Compliant with ACT guidelines. This 4-function, non-graphing scientific calculator meets ACT rules for use in exams. While ACT also allows graphing calculators, this model provides a simpler, approved alternative for test day.
Non Programmable Scientific calculator
Meets ACT requirements for approved exam-day calculators. This non-programmable scientific model includes essential functions without any features restricted by ACT—no CAS, no internet, and no text storage.
Other Features
2 Line Display
This scientific calculators offer an easy view expressions and results at the same time with the dual-line display. The 12-digit widescreen HD display ensures better visibility and reduces calculation errors—perfect for exams, classroom use, or daily study.
Power Saving
Designed with energy efficiency in mind, this scientific calculator automatically powers off after 5 minutes of inactivity. Save battery and enjoy longer use without needing frequent replacements—ideal for students on the go.
How do i turn off the calculator
Press SHIFT button and Press AC button together.
Why is the LED dim ?
Avoid using or storing the calculator in extremely hot or cold areas. Low temperatures can slow down or stop the display . Always make sure to use brand new batteries if possible
How do I switch between different modes?
the calculator has 3 modes and you have to press the MODE key and corresponding number for that mode :
Basic arithmetic calculations (default) : MODE +1 ; Standard Deviation : MODE +2 ; Regression Calculations : MODE +3.
What is the maximum number of digits the display can show?
The SC-216 can display up to 12 digits for both input results.
How do I switch from decimal to fraction display?
Use the a b/c button to convert between decimal and fraction formats.
RST SC-216 – Precision for Every Exam
Fast, Reliable, and Exam-Ready—The Ultimate Calculator for Students!
The RST SC-216 is designed to support students through critical tests, offering a streamlined experience for solving mathematical and scientific problems with ease. Whether solving equations, fractions, or statistical problems, this helps keep work organized and accurate.
Lightweight and compact, this is perfect for school, home, or exam hall. Its power-efficient design ensures that it’s ready whenever needed, an excellent choice for students looking for a dependable study and test-taking tool.
Sc-216 scientific calculator
Merchant Video
RED STAR TEC SC-216 SCIENTIFIC CALCULATOR
Tackle math exams with confidence. The SC-216 is exam-approved, non-programmable, and packed with functions for algebra, trig, and fractions. Lightweight, durable, and student-friendly—perfect for school, college, and standardized tests.
NON- GRAPHING CALCULATOR
Simple calculator ideal for standardize tests.
When every second counts during an exam, you need a calculator that’s fast, reliable, and efficient.
NON PROGRAMMABLE
Meets exam rules; no saved formulas or custom functions.
FOUR FUNCTION CALCULATOR
Performs addition, subtraction, multiplication, and division only.
ALGREBRA AND TRIGONOMETRY CALCULATOR
Supports advanced math like equations, functions, and trig.
FRACTION CALCULATOR
Easily solves and simplifies fractions and mixed numbers.
Meets ACT Standards
4 Function Non Graphing Scientific Calculator
Compliant with ACT guidelines. This 4-function, non-graphing scientific calculator meets ACT rules for use in exams. While ACT also allows graphing calculators, this model provides a simpler, approved alternative for test day.
Non Programmable Scientific calculator
Meets ACT requirements for approved exam-day calculators. This non-programmable scientific model includes essential functions without any features restricted by ACT—no CAS, no internet, and no text storage.
Other Features
2 Line Display
This scientific calculators offer an easy view expressions and results at the same time with the dual-line display. The 12-digit widescreen HD display ensures better visibility and reduces calculation errors—perfect for exams, classroom use, or daily study.
Power Saving
Designed with energy efficiency in mind, this scientific calculator automatically powers off after 5 minutes of inactivity. Save battery and enjoy longer use without needing frequent replacements—ideal for students on the go.
How do i turn off the calculator
Press SHIFT button and Press AC button together.
Why is the LED dim ?
Avoid using or storing the calculator in extremely hot or cold areas. Low temperatures can slow down or stop the display . Always make sure to use brand new batteries if possible
How do I switch between different modes?
the calculator has 3 modes and you have to press the MODE key and corresponding number for that mode :
Basic arithmetic calculations (default) : MODE +1 ; Standard Deviation : MODE +2 ; Regression Calculations : MODE +3.
What is the maximum number of digits the display can show?
The SC-216 can display up to 12 digits for both input results.
How do I switch from decimal to fraction display?
Use the a b/c button to convert between decimal and fraction formats.
Sc-216 scientific calculator
Merchant VideoRST SC-216 – Precision for Every Exam
Fast, Reliable, and Exam-Ready—The Ultimate Calculator for Students!
The RST SC-216 is designed to support students through critical tests, offering a streamlined experience for solving mathematical and scientific problems with ease. Whether solving equations, fractions, or statistical problems, this helps keep work organized and accurate.
Lightweight and compact, this is perfect for school, home, or exam hall. Its power-efficient design ensures that it’s ready whenever needed, an excellent choice for students looking for a dependable study and test-taking tool.
Technology Made Easy
Simple, reliable tech designed for real people so you can focus on what matters, not on tech problems.
About Us
Red Star Tec creates simple, reliable technology designed for real people. Our products are built to work when you need them most, without complicated setup or confusing features. From classrooms to meetings and everyday tasks, we focus on tools that are easy to use and dependable. With clear guidance and friendly support, we help you focus on what matters ,not on tech problems.
What makes Red Star Tec products easy to use?
Our products are designed with simplicity in mind. Most devices are plug-and-play with clear instructions, so you can start using them quickly without complicated setup.
Who are Red Star Tec products designed for?
Our products are made for teachers, presenters, students, professionals, and anyone who wants reliable technology that simply works without stress.
What should I do if I have trouble with a product?
We stand behind our products. If something goes wrong, our support team will guide you through troubleshooting
Our Products
Our Products
PR-820 Presentation Clicker
Take control of every presentation with a reliable wireless remote equipped with air mouse , volume, media control
SC-216 Scientific Calculator
A reliable scientific calculator built for students and professionals ,clear display, essential functions, and dependable performance
USB C and A Hub
Expand your laptop instantly with a USB-C and A hub .Add fast USB ports for accessories, storage, and everyday productivity.
T-90 Wireless Earbuds
Enjoy clear wireless audio with compact earbuds designed for everyday listening, comfortable fit, and fast charging.
[NEW] Mouse & Mousepad
Work comfortably with a smooth precision mouse and ergonomic wrist-support mousepad designed for all-day productivity.