Texas Instruments TI-30XB MultiView Scientific Calculator

The Texas Instruments TI-30XB MultiView is a scientific calculator designed for secondary and higher education. The device features a four-line LCD that displays multiple parts of a calculation simultaneously. Its interface allows users to compare intermediate values and input multi-step problems, while the system handles conversions between decimals, fractions, and percentages.

The plastic housing includes non-slip feet for stability on flat surfaces. A dual power system, using solar cells and battery power, ensures the device functions in various lighting conditions. It weighs 145 g and measures 184 × 80 × 17 mm. As no protective cover is included, care is required when storing the unit in a bag. An automatic power-off feature saves battery life during periods of inactivity. The keypad includes dedicated buttons for negation and scientific notation (x10n) to speed up data entry.

• Automatic fraction simplification: converts complex fractions into their simplest form.
• Symbolic Pi notation: allows for exact values in geometric and trigonometric expressions.
• Support for 23 levels of parentheses: handles deeply nested formulas.
• Decimal/fraction toggle: allows users to switch between exact fractions and decimal equivalents.
• Angle conversion: provides settings for degrees, radians, and gradians.
• Random number and integer generator: enables statistical sampling and probability simulations.
• Memory for 8 pending operations: tracks multi-step calculation sequences.