With the Graphing Calculator+ app you can save equations in the app using the graphing calculator and graph them. The calculator contains a handwriting calculator and scientific calculator.

These purpose-built devices allow you to perform a wide range of calculations quickly—powerful models can even tackle complicated calculus equations and graph visual representations of functions.

Alt1 is a free open source minimalist calculator application for Windows that can be entirely used from the keyboard. It lets you solve general expressions and supports all scientific operators.

A new calculator for cardiovascular risk prediction developed from a large cohort of primary care patients in New Zealand suggests that risk equations based on earlier cohorts—now decades old—may ...