Get better at calculus by practicing drawingderivatives of different functions and checking your answer. Thisapplication features a wide range of functions and even has anoption to hint when the derivative will cross the X-axis.
Calculate what it really feels like by findingHeat Index values on the fly. Just input your values and the heatindex value will be automatically calculated as you type. You canfind the heat index by either providing the dew point or relativehumidity.