Reliable & Innovative
ROATEE is dedicated to creating high-quality calculators designed to support students and professionals. We focus on providing educational tools that help students achieve excellent results while meeting the practical needs of users. We are committed to sustainability, ensuring that they are not only practical and efficient, but also environmentally responsible.
Construction Calculator
Construction Calculator with Writingpad
ROATEE Graphing Calculators
Scientific Calculator with pad
High school & College
High school & Middle school
Middle school
Why Choose Us
Our scientific calculator for school and business intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work
About Product Quality
The body of this scientific calculator undergoes rigorous quality tests. Due to the design of anti-drop body, no need to worry about the damage by accidentally falling and it has only weighs 5 ounces can be easily put in your pocket, which is convenient for business and school
Go Green Now
Our products are ClimatePartner Carbon Neutral Certified
Flip-page writing pad
The flip-page writing pad allows quick and easy note-taking,No paper or pen needed,Eco-friendly and convenient.
3'' large screen
Makes numbers clear and easy to read at a glance
Responsive, well-spaced keys
Ensure smooth and accurate typing, reducing input errors and making long calculations effortless.
TPU protective case
Made of thick, phone-like material, it offers strong, phone-level protection against drops and harsh construction environments.
Ready to use right out of the box!
- Comes with an easy-to-follow manual and two quick-reference stickers for common operations—ideal for beginners.
- Fully equipped with all required batteries—ready to power on right out of the box.
- Supports customizable preferences and features an “electronic tape measure” function that recalls the last 20 entries for review, along with a running total and three additional memory slots.
ROATEE Calculator
 Construction Calculator |  Construction Calculator |  Graphing Calculator |  Scientific Calculator | |
|---|---|---|---|---|
Customer Reviews | — | — | — | — |
Price | — | — | — | — |
Type of Calculator | Construction Calculator | Construction Calculator | Graphing Calculators | Scientific Calculators |
Circle Area, Perimeter | ? | ? | ? | ? |
Arc Properties | ? | ? | ? | ? |
Compound Miter Angle | ? | ? | ? | ? |
Roof Truss Calculation | ? | ? | ? | ? |
Foundation Adjustment | ? | ? | ? | ? |
Roof Pitch & Angle Conversion | ? | ? | ? | ? |
Rewritable Flip-Top Writepad | ? | ? | ? | ? |
Protective Cover | ? | ? | ? | ? |
Scientific Calculator Function | ? | ? | ? | ? |
Flip-page writing pad
The flip-page writing pad allows quick and easy note-taking,No paper or pen needed,Eco-friendly and convenient.
3'' large screen
Makes numbers clear and easy to read at a glance
Responsive, well-spaced keys
Ensure smooth and accurate typing, reducing input errors and making long calculations effortless.
TPU protective case
Made of thick, phone-like material, it offers strong, phone-level protection against drops and harsh construction environments.
Just open the box and start.
Ready to use right out of the box!
- Comes with an easy-to-follow manual and two quick-reference stickers for common operations—ideal for beginners.
- Fully equipped with all required batteries—ready to power on right out of the box.
- Supports customizable preferences and features an “electronic tape measure” function that recalls the last 20 entries for review, along with a running total and three additional memory slots.
ROATEE Calculator
Construction Calculator | Construction Calculator | Graphing Calculator | Scientific Calculator |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Type of Calculator | |||
| Construction Calculator | Construction Calculator | Graphing Calculators | Scientific Calculators |
| Circle Area, Perimeter | |||
| ? | ? | ? | ? |
| Arc Properties | |||
| ? | ? | ? | ? |
| Compound Miter Angle | |||
| ? | ? | ? | ? |
| Roof Truss Calculation | |||
| ? | ? | ? | ? |
| Foundation Adjustment | |||
| ? | ? | ? | ? |
| Roof Pitch & Angle Conversion | |||
| ? | ? | ? | ? |
| Rewritable Flip-Top Writepad | |||
| ? | ? | ? | ? |
| Protective Cover | |||
| ? | ? | ? | ? |
| Scientific Calculator Function | |||
| ? | ? | ? | ? |
Reliable & Innovative
ROATEE is dedicated to creating high-quality calculators designed to support students and professionals. We focus on providing educational tools that help students achieve excellent results while meeting the practical needs of users. We are committed to sustainability, ensuring that they are not only practical and efficient, but also environmentally responsible.
Construction Calculator
Construction Calculator with Writingpad
ROATEE Graphing Calculators
Scientific Calculator with pad
High school & College
High school & Middle school
Middle school
Why Choose Us
Our scientific calculator for school and business intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work
About Product Quality
The body of this scientific calculator undergoes rigorous quality tests. Due to the design of anti-drop body, no need to worry about the damage by accidentally falling and it has only weighs 5 ounces can be easily put in your pocket, which is convenient for business and school
Go Green Now
Our products are ClimatePartner Carbon Neutral Certified