Cosine Ruler Precise Math Tool Cosine Scale Ruler For Technical Drwing Parabolic

Features:
Precise Graduation: Clear graduations marked on the ruler body ensuring accurate positioning and measurement when plotting function graphs, enhancing problem-solving efficiency.
Crafted from high-strength plastic, it is durability yet lightweight for easy portability, ideal for daily study and examinations.
Ergonomic Design: The ergonomic shape provides comfortable grip, facilitating prolonged use by students while reducing fatigue.
Versatile Usage: Whether engaged in drawing, craftwork, or technical drafting, this geometric ruler adapts to diversed including paper, fabric, and wood.
Wide Applicability: From secondary school mathematics and university calculus to specialised mathematical research, this ruler meets diverse requirements, serving as essential learning tool for every student.

Specifications:
Features: template ruler, perfect parabolas and complex geometric shapes.
Component： Plastic
Size 12.2cm x 6.8cm/4.8x2.67in
Quantity: 1 or 3

Note:
Please allow 1-2cm errors due to manual measurement.
Please allow for slight color differences due to different display resolution.

Package includes:
1/3pcs cosine rulers