The HP 20s is a great calculator for students. It features easy-to-use algebraic entry and a built-in program library.
With features such as the built-in program library, the HP 20s is a comprehensive scientific calculator. It has over 100 built-in scientific and mathematical functions.
Built-in program library
The powerful built-in program library in the 20s eliminates the need to input frequently-used functions such as root finder, Simpson’s Rule of integration, complex number operations, 3x3 matrix operations, quadratic formula, and curve fitting programs. When using the 20s, these features are available at the touch of a key.
Trig and math functions
Essential trig and math functions for scientific applications are available. Sine, cosine and tangent, or exponential, natural log and antilog functions are only a few of the functions that can be used with the 20s.
Base conversions and arithmetic
The 20s performs English / metric conversions and fast conversions for mass, distance, volume and temperature.
Easy-to-use algebraic entry system
This feature offers the ability to enter data in algebraic notation, just as it would be written on paper.
The HP 20s records keystrokes, allowing for the automation of certain routine calculations.