# Archive for the ‘Mathematics’ Category

## Frequency of notes on a piano - interactive learning object

## New applet: What does *b* do in a quadratic function?

## New applet: Domain and range investigation

## What’s the correct graph of sec(arccos(x))?

## SquareCirclez is a “Top 100” math blog!

## Intersection of 3 planes at a point: 3D interactive graph

## Conic sections interactive applet

## Full archive

See the blog sitemap for all previous articles.