Texas Instruments TI-84 Plus Graphing Calculator Blue, Silver

The Texas Instruments TI-84 Plus is a graphing calculator for algebra, trigonometry, biology, physics, and statistics. This handheld device supports complex graphing, statistical analysis, and financial calculations. It features an eight-line, high-contrast LCD screen. MathPrint technology allows mathematical expressions to appear as they are written in textbooks. Students use this model to visualise functions and perform calculations in university settings. The hardware is permitted for use during standardised tests, including the SAT, ACT, and AP examinations.

The device is powered by four AAA alkaline batteries and one SR44 silver oxide battery. Internal storage consists of 480 KB of Flash ROM and 24 KB of RAM. A built-in USB port allows for file transfers between the calculator and a computer. Users navigate functions via an operations catalog and pull-down menus. The calculator supports algebraic entry and includes a clock and calendar. This model is compatible with existing TI-83 Plus software and ViewScreen peripherals. The unit weighs 208 g and measures 84 mm in width by 190 mm in height.

• 128-character display — allows the review of long, multi-variable equations without horizontal scrolling.
• Blue and silver finish — provides a durable exterior with a high-visibility colour scheme.
• Flash ROM memory — supports the installation of apps to expand calculation capabilities.
• 22 mm depth — fits easily into protective cases or bags for transport.
• SR44 silver oxide backup battery — maintains data in memory when the primary AAA batteries are removed.