Editor Reviews

The Scientific Calculator 300 Plus, affectionately referred to as the 991, acts as an indispensable utility for students and engineers. This multifunctional device encompasses several calculators, such as the Basic Calculator 300 Plus, Advanced Calculator 115 Plus, Scientific Calculator 991, Scientific Calculator 991 Plus, and a Graphing Calculator 84 Plus. The Basic Calculator 300 Plus and 115 Plus excel in handling everyday and complex math tasks, covering aspects like percentages, exponents, roots, trigonometry, logarithms, and fractions. The Advanced Calculator 115 Plus stands out by combining advanced features with a straightforward scientific calculator functionality, making it a one-stop solution for all your mathematical needs within a single app.

The Scientific Calculator 991 Plus is a true mathematical wizard when it comes to equation-solving prowess. It effortlessly tackles quadratic, cubic equations, complex systems, and any polynomial problem you throw at it. Furthermore, it excels in scientific computations, such as calculating derivatives, integrals, square roots, factorials, and accurately estimating pi. This remarkable device is capable of handling calculations with an unlimited number of decimal places and offers additional functionalities like determining prime factors, generating random numbers, calculating combinations and permutations, finding GCD (greatest common divisor), and LCM (least common multiple). Essentially, it's a highly advanced engineering simulator, seamlessly merging the best features from models like the 500 es, 500 ms, 300 es plus, and the 991 es plus.

The Graphing Calculator 84 Plus is an incredibly awesome device for creating various complex graphs. It effortlessly handles function plotting, polar graphs, parametric equations, and even implicit functions. But wait, there's more! This calculator has the capability to calculate tangents, perform curve tracing, derive derivatives, locate zeroes, and determine extrema – all in the palm of your hand, making it feel like a tiny math genie at your service!

In essence, the Scientific Calculator 300 Plus, 991 serves as an indispensable tool for students and engineers. Equipped with numerous features, it includes advanced equation solvers, scientific computations, graphing capabilities, and handles both fundamental and complex math tasks flawlessly. It excels at fraction calculations and supports symbolic math. To top it off, it boasts pre-installed math and physics formulas, unit conversions, and even allows for custom programming to perform extraordinary functions.

Features

Introducing the incredibly awesome Scientific Calculator 991 Plus, featuring not one, but an impressive pair of simulators - the 115 and 300 Plus models!