Pro Scientific Calculator Fx 991 es 500

fx 991 es 500 Pro scientific calculator designed with many powerful features for engineering. Some of them can greatly reduce the effort to solve problems, while others can be abused in an interesting and fun way. The ability to use these features can also be useful for students who pass tests and exams where scientific calculators are allowed, but not more powerful graphing calculators.

it's like fx 991ms plus scientific calculator or fx 100 ms scientific calculator, and its easy use with clear design

you can use it offline

desmos scientific calculator with log and antilog and shift solve

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take advantage of the high quality calculator (2019) its scientific calculator latest version with natural display (real)

- Would you like to have time to check your children's math homework? Now you can do it in seconds.

- You have to adjust the ingredients quantities of a recipe for a large number of guests? I can calculate the number of glasses or spoons required.

- Do you work on a craft project, a construction or carpentry project, in inches? Stop doing and redoing your paper calculations, and let me give you the correct answer.

With Fractions Plus Calculator, get a daily boost from your phone or tablet.

you can use this scientific calculator for:

- 84

- ti 30xs

- ti 84 more

- 100 ms

- 1000 ms

- fx 991ms plus 100ms

- fx 100 ms

-fx 100 ms

- 4500

- 995

- 991 more

- 991ms

- 991 es

- 991

SCIENTIFIC CALCULATOR

- Square root, cubic root and other roots (hold the '√' key)

- Arithmetic expressions +, -, *, /, ÷

- Exhibitors, logarithms (In, log)

- Trigonometric functions (sin, cos, ...)

- Complex numbers, all functions containing complex arguments

- hyperbolic functions sinh, cosh, tanh, (hold the e key to change)

- Inverse functions (hold the direct function key)

- Derivatives sin x '= cos x, ... (hold the key x ^ n)

- Scientific notation (activate in the menu)

- Save / load history

- Percentage mode

GRAPHIC CALCULATOR

- Multiple graphical functions

- Implicit functions up to 2nd degree (ellipse 2x ^ 2 + 3y ^ 2 = 1, etc.)

- Parametric functions, enter each function on a new line (x = cos t, y = sin t)

- Polar graphs (r = cos2θ)

- Cancellation points and critical points of a graph. Check the box to the left of the function to display their coordinates on the graph, click the "graphic" button in the horizontal menu at the top of the screen to display their coordinates as a list.

- Intersections of the graph (x ^ 2 = x + 1)

- Scrollable and resizable chart

- Function tables

- Pinch to zoom

- Save the tables in csv format

- Full screen graphics in landscape orientation

- Save graphics as an image

FRACTION CALCULATOR

- Fractional numbers, use the space to enter 3 1/2 values

- Simple and complex fractions 1/2 + 1/3 = 5/6

ALGEBRIC CALCULATOR

- Second degree equations x ^ 2-1 = 0 -> x = -1,1

- Linear equations x + 1 = 2 -> x = 1

- Approximate roots of higher polynomials

- Division of a polynomial

- Systems of linear equations, write one equation per line, x1 + x2 = 1, x1-x2 = 2

- Polynomial expansion, factoring

CALCULATOR OF MATRIX

- Determinant, inverse, norm, transpose, trace

- Matrix and vector operations

- Dot product (maintain *), cross product

LIBRARY

- Save / load formulas

- The user defines constants and functions (PRO)