Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Casio FX-991ES Plus 2 is a non-programmable scientific calculator with a two-line display: a 12-digit upper line and a lower line for formulas and results. It covers over 400 functions, including equation solving, statistical and regression calculations, matrices, vectors, complex numbers and unit conversions. It is a natural step for high school and university students in math, physics and engineering, and it is approved for many exams that ban graphing and programmable models. Against the similar FX-991EX it trades the higher-resolution display and spreadsheet mode for a simpler layout and a lower price tier, and owners tend to find it sturdy and easy to learn.
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Owners and reviewers describe it as a reliable, easy-to-learn calculator for school and university work, with a clear two-line display and a strong function set for the price tier. Complaints are mostly about the older-style screen and the time needed to learn the menus.
The Casio FX 991ES Plus 2 is a compact scientific calculator. It has a 12-digit display and is easy to use.
It includes advanced statistical and equation functions. It is made for students and professionals.
