The first handheld graphing calculator, the Casio fx-7000G, appeared in 1985. Since then, graphing calculators have become a common – and controversial – tool for learning mathematics. These devices ...

Excel's graphing features have their limits, and I'm sure many of you have experienced the frustration of thinking, "I want ...

Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

A home-brewed graphing calculator called Open SciCal promises to put a powerful machine built entirely from open-source hardware into the pockets of quant jocks and statisticians. "This is for the ...

Previously, I suggested that you start by graphing your data and thinking about the changes and the reasons behind them. This ...

This lesson was designed for use with a mid-ability year 8 group in a 100 minute lesson, but could be adapted to use with any year group. A bundle is a package of resources grouped together to teach a ...

In this video, I'll walk you through graphing cosecant functions by first focusing on the reciprocal sine graph. We'll explore the process for y=csc(2x) by understanding its relationship to y=sin(2x), ...

A quadratic equation is drawn as a curve on a set of axes. This type of curve is called a parabola and it is symmetrical. To draw the graph we need coordinates. We generate these coordinates by ...