GeoGebra is a dynamic mathematics software suite that supports geometry, algebra, graphing, statistics, and calculus. It’s designed for students from primary school through university level. GeoGebra ...

GeoGebra connects geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. This dynamic linkage between different mathematical representations allows students to ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

We like mechanical calculators like slide rules, but we have to admit that we had not heard of the Ott Derivimeter that ...

Are you on track to save enough for retirement? Use our calculator to check your progress, see how much retirement income you'll have and estimate how much more you should save. Many, or all ...

By The Learning Network A new collection of graphs, maps and charts organized by topic and type from our “What’s Going On in This Graph?” feature. By The Learning Network Want to learn ...

A mortgage calculator helps you make sense of what can be abstract. Using it allows you to consider all the factors that can impact home affordability, quality of life, and wealth accumulation.

Tax credits A benefit that lowers your taxes owed by the amount of the credit. This calculator assumes credits entered are nonrefundable. Many, or all, of the products featured on this page are ...

Q: What is the Dollar worth against the South African Rand? A: One Dollar is worth 19.1074 South African Rands today Q: Is the Dollar going up or down against the South African Rand? A: Today's ...

Before starting a weight loss diet, it's important to determine your frame size using this calculator. Body frame size can be assessed using either wrist circumference or elbow breadth (1 ).

Once you select the base and target currencies from the list and enter the desired amount into the provided field, the currency calculator immediately gives you the result. Additionally ...