It has an RPN entry mode.The HP48 model number series support a stack-based programming language, which adds the concepts of lists and functions to stack-based programming. The screen resolution is a 131 by 64 pixel display, and the communication ports are either 4-pin RS-232 or infrared ports. This calculator features a copyright Saturn 1LT8 core processor that works on a memory clock frequency of 2.4 MHz.The Saturn microprocessor is a hybrid 64-bit CPU, but it acts like a 4-bit processor because it presents nibble-based data to programs and uses a nibble-based addressing system. As far as battery use, it uses AAAs, so recharging this advanced calculator isn't difficult.The HP 48G calculator was first introduced in 1990 and was produced until 2003.

This series of calculators has all the functionality of Hewlett-Packard devices without any bulkiness or front covers that get in the way. The manual should have you beginning your HP 48G experience in a matter of minutes.The size of the 48G is only about 7 inches tall. The manual is also available online in case you ever need a downloadable version. The features of this calculator are meant for statistical, mathematical, and scientific purposes.This calculator weighs in at an easy 12.8 ounces and comes with a clever, easy-to-use manual reference.

With a high-contrast screen with good resolution, you can keep track of all your calculations without straining your eyes.

Whether you are surveying, engineering, or catching up on your calculus homework, the Hewlett-Packard 48G calculator has your back.

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