Introduction: It is the purpose of this manual to illustrate the utilization of the Hewlett-Packard, Model 9810A calculator for analyzing water quality data. Familiarization of each program's capabilities is essential for successful application, thus the user should read over the section used before beginning. Each section is complete with instructions and illustrative examples.
Fifield, Jerald S., "Use of the Hewlett-Packard 9810 Calculator System in Water Quality Analysis" (1984). Reports. Paper 493.