# Archive for the ‘Mathematics’ Category

## Units: Calories and kilograms

## Infinite series background

## The object with finite volume but infinite surface area

## 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))?

## Full archive

See the blog sitemap for all previous articles.