Curated OER
Circle Picture
This site provides definitions for different parts of a circle, pictures to more clearly represent formulas involving circles. Some of the formulas discussed include: area of a circle, area of a sector of a cirles, circumference, length...
Math2
Math2.org: Trigonometry Tables
Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...
Curated OER
Parametric Unit Circle
This site provides definitions for different parts of a circle, pictures to more clearly represent formulas involving circles. Some of the formulas discussed include: area of a circle, area of a sector of a cirles, circumference, length...
Math2
Math2.org: Algebraic and Conic Section Graphs
THis resource provides examples and information about Algebraic graphing.
Curated OER
Unesco: China: Fujian Tulou
Fujian Tulou is a property of 46 buildings constructed between the 15th and 20th centuries over 120 km in south-west of Fujian province, inland from the Taiwan Strait. Set amongst rice, tea and tobacco fields the Tulou are earthen...
Curated OER
Eternal Egypt: Metal Censer With a Domed Lid
A metal censer with a hemispherical body and a domed lid. The top of the domed lid has a pointed tip in the shape of a flower with petals and with two round loops. The main part of the lid is decorated with horizontal perforated bands,...