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Description:
About this item:
The fx-991es plus 2 is a scientific calculator ideal for secondary school and university degrees with natural ‘natural textbook display’ to display formulas and results exactly as in textbooks. Equipped with 417 functions, including: Equation resolution, calculation of synthesis values and variability indexes, matrix and vector calculation, regression and correlation coefficients, complex numbers, calc key (temporary memory formula), 40 physical constants, integral and differential calculus Combined power supply: Solar and alkaline button cell LR-44.
Review:
4.9 out of 5
98.46% of customers are satisfied
5.0 out of 5 stars Best Algebraic for FE/PE
Need to take the FE/PE?The test is limited to a few models.This is the best algebraic allowed:1) good menu organization, easy to use2) 2nd and 3rd degree polynomial solvers3) 2 and 3 element matrices and vectors4) numeric derivatives and integrals5) complex numbers6) engineering notation7) constants and conversionsAll built-in, no need to program.A big plus is cost is nominal.One drawback to this model isit slides all over. Add rubber feetto case bottom as a fix. (see pic)
5.0 out of 5 stars Perfect balance of features and price
I do electronics engineering and I always need to calculate semi-complex stuff. A non scientific calculator is a pain and I find that the ti-84 is a bit much if you’re not doing advanced math or statistics. This calculator is perfect for the bench calculations while designing circuits. Plus because it’s not a small fortune, I carry it around all the time without worry of dropping it etc. my colleagues call me Egon now because I just pull out the calculator and start calculating in random situations and conversations. For the price, you really can’t go wrong.
5.0 out of 5 stars Perfect!
Got this for my daughter who needed it in college for chemistry classes. She said it works great! Would recommend.
4.0 out of 5 stars Great and simple college calculator
As a college CS student, this calculator is a must have... the ti 84 is too powerful and has Graphing and programming which are not allowed in 99% of the classes ... so this is a good runner upIt does up to 3x3 matrices , does some integrals and derivittives at a point... does base conversions between decimal hex ,and binary (octal too).It also finds roots for quadratic functions, overall it is easy to use and get the hang of it ...
5.0 out of 5 stars Extremely Good
I've had this for about 2 years now. It's still going strong.
5.0 out of 5 stars Excelente
De acuerdo con la descripción. Buen producto
5.0 out of 5 stars Excellent product
Excellent product for cheap! Worth every dollar. Best calculator, I have used.
5.0 out of 5 stars Using it for 2 years about now I believe, it's just amazing
It's very popular where I live, teachers and students on high math levels use it as one, and everyone I talked to is super happy with it, as well as myselfThe cost is just amazing, here on Bolo at least, great build quality, many functions, Thank's! ^^
Buena calculadora
El producto es muy buena para el estudiante de secundaria. A buen precio pero pésimo servicio de entrega. Lo aventaron a mi patio sin avisar que ya lo habían dejado. No supe ni qué día lo dejaron.
Grateful for my new calculator
I like product easy to use
As expected
Product as per casio standards. No suprise.
Casio est vraiment le meilleur !
Super content!!!
Calcolatrice ottima e professionale
Ho sempre avuto una passione per le calcolatrici e questa mi ha estremamente soddisfatto. Voglio iniziare con il punto più importante: la batteria; ho avuto una seconda calcolatrice Casio in passato che ho usato dalle medie fino al primo biennio delle superiori. Nonostante l'avessi usata tutti i giorni funziona perfettamente ancora oggi, la stessa cosa si può dire di questa e di tutti i restanti prodotti marchio Casio. Inoltre ha un altro punto forte; ovvero la sua struttura: estremamente resistente (anche a catute da altezze fino a 1 metro) e con la sua custodia di plastica sempre inclusa è praticamente indistruttibile.Ora passiamo alle sue funzioni:Nel libretto delle istruzioni sono presenti tutte le funzioni presenti (fidatevi sono tantissime), ma ho notato che alcune in particolare risultano molto facili da usare:•Calcolo di frazioni e radicali•Calcolo di funzioni con una mini-tabella (anche se per questo conviene una calcolatrice grafica)•Calcolo di integrali definiti•Gradi, Radianti e GradiantiNon starò a specificare tutto nel dettaglio perché ci metterei troppo tempo, ma voglio ricordare la presenza di 40 costanti e di un convertitore di misure.Il resto dipende tutto dal vostro punto di vista, ma ricordo che per lo stesso prezzo avete tantissime altre calcolatrici sempre Casio di qualità.In conclusione consiglio questa calcolatrice per tutti gli studenti delle superiori e dell' università, anche per una facoltà di matematica (testimoniato dal sottoscritto) per un prezzo ridotto.P.S. non ho potuto testare l'efficacia della cellula solare, ma l'esposizione diretta al sole della calcolatrice la potrebbe danneggiare.
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Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural
BHD25530
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Product origin: United States
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