Take by hand with support for multiple fingers and smooth writing. Choose from four colors: black, red, blue, and green. Switch colors via a button. Write directly on the screen without additional tools.
Calculate sale prices with discounts and sales tax. Input values and apply percentage off. View results with tax included. Access full calculation features via Today widget. Clear input fields with special keys.
Perform basic and advanced calculations with large, illuminated buttons. Use the scientific for 30 functions. Convert units, calculate loans, and determine tips. Includes standard, scientific, unit converter, loan, and tip calculators.
Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.
Perform mathematical calculations with support for parentheses and decimals. Save and reuse formulas or results. View calculation history with color coding, dates, and . Calculate totals from selected entries. Move or duplicate history entries.
Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.
Calculate minimum internal based on rate and maximum pressure loss. Input elevation changes and select valves and fittings. Display Reynolds number and friction factor. Export results in various formats.
Create and manipulate geometric shapes such as points, lines, angles, and conic sections. Adjust properties and calculate metrics. Display shapes on a zoomable coordinate system. Construct medians, altitudes, and bisectors.
Perform basic arithmetic operations, percentage calculations, and unit conversions. Switch between standard and engineering modes for advanced scientific functions. Adjust display settings and access history for repeated calculations.