EL-9900 Calculator Operation Manual
The Sharp EL-9900 is a powerful graphing calculator designed to handle complex mathematical formulas used in fields ranging from middle-school arithmetic to high-school calculus. It features a reversible keyboard that allows users to switch between Basic Mode (green background) for lower grades and Advanced Mode (blue background) for higher-level mathematics.
The manual provides comprehensive instructions on operating the device, including standard calculations, graphing capabilities (parametric, polar, sequences), matrix and list operations, statistical analysis with regression and hypothesis testing, financial calculations, and equation solving. It also details slide show functions and various setup options.
| Product Type | Graphing Calculator |
|---|---|
| Keyboard Mode | Reversible (Basic or Advanced) |
The calculator has a reversible keyboard that allows you to select Basic Mode or Advanced Mode.
Basic Mode, which features a green background color and basic mathematical functions, is suitable for learning mathematics in lower grades.
Advanced Mode, which features a blue background color and advanced mathematical functions, is suitable for studying mathematics in higher grades.