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- Desmos Test Mode Vs. Scientific Calculator Scalar
Desmos Test Mode vs. Scientific Calculator Scalar Utilizzo e statistiche
**BETA** Not intended for use in a high-stakes environment yet.
** These are restricted versions of the Desmos Calculators that comply with exam requirements. To prepare for specific state or national assessments, select the corresponding test from the menu in the app. Find out whether Desmos is used for your test at www.desmos.com/testing.
If you’d like to use full, unrestricted versions of the calculators, download the Scientific or Graphing Calculator apps or visit www.desmos.com. **
At Desmos, we imagine a world of universal math literacy where math is accessible and enjoyable for all students. To that end, we’ve built simple yet powerful calculators. They’re intuitive, beautiful, and completely free.
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Graphing Calculator Features:
Graphing: Plot polar, Cartesian, and parametric graphs. There’s no limit to how many expressions you can graph at one time—and you don’t even need to enter expressions in y= form!
Sliders: Adjust values interactively to build intuition, or animate any parameter to visualize its effect on the graph.
Tables: Input and plot data, or create an input-output table for any function.
Statistics: Use regressions to find the lines (or other curves!) that best fit your data.
Zooming: Scale the axes independently or at the same time with the pinch of two fingers, or edit the window size manually to get the perfect view of your graph.
Points of Interest: Touch a curve to show its maximum and minimum values, intercepts, and points of intersection with other curves. Tap any of these points of interest to see their coordinates. Hold and drag along a curve to see the coordinates change under your finger as you trace.
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Scientific Calculator Features:
Variables: Assign values to variables that you can use in other expressions. Since all of your work is held in the expressions list, you can compute a value once and use it in many places simultaneously. Take advantage of the “ans” key, which always stores the value of the previous expression.
Arithmetic: Beyond the four basic operations, the scientific calculator also supports exponentiation, radicals, absolute value, logarithms, rounding, and percentages.
Trigonometry: Evaluate the fundamental trigonometric functions and their inverses using either radians or degrees for angle measure.
Statistics: Compute the mean and standard deviation (sample or population) of a list of data.
Combinatorics: Count combinations and permutations and calculate factorials.
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Four-Function Calculator Features:
Simple and Beautiful: Just the basics done right. Add, subtract, multiply, divide, and take square roots.
Multiple Expressions: Unlike many four-function calculators, all of your previous work remains visible on the screen. The special “ans” key always holds the value of the previous computation (and updates automatically!), so you never have to remember or copy a result.
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📗📙📘 Click and see the user guide in PDF
🥇 Extremely Flexible & Very Advanced Scientific Calculator with User Arguments Definition, User Functions Definition, Functions Graphs, Scripts Programming and many other features.
Scalar is much more than a calculator. Scalar is a powerful math engine and math scripting language, that combines the simplicity of standard calculators with the flexibility of scripting. Thanks to Scalar, defining arguments and functions, as well as using them in subsequent calculations, expressions and functions graphs, has never been easier. You will see it shortly after getting familiar with available screens and options.
🎯 Main features:
🔹 Standard & Advanced Scientific Calculator
🔹 Extremely convenient calculator keyboard
🔹 Re-usage of previous calculations, just reference a constant that was created for your convenience
🔹 User defined arguments, as simple as x = 2
🔹 User defined functions, as simple as f(x) = x^2, f(x,y,…)=2*x+y
🔹 User defined random variables, as simple as rand X = rNor(0,1)+1
🔹 Beautiful function graphs, set variables, range, expression, interact with the chart!
🔹 Scripts writing, personalize and automate you work!
🔹 Rich set of examples built-in in the app!
🔹 Work saving and results sharing
👌 The definition of user elements has never been easier!
Using Scalar you can easily create user elements, below are examples of the natural mathematical syntax:
▶ scalar > x = 2
▶ scalar > y = 2 * x
▶ scalar > y
➥ e1 = 4.0
▶ scalar > x = 3
▶ scalar > y
➥ e2 = 6.0
👌 There is no need to save the results!
In Scalar, each result is assigned to an automatically created constant, see example:
▶ scalar > 2 + 3
➥ e1 = 5.0
▶ scalar > 4 + 6
➥ e2 = 10.0
▶ scalar > e1 + e2
✪ ➥ e3 = 15.0
👌 User functions give huge possibilities of personalization!
Defining user functions is just as simple as writing a formula
▶ scalar > f (x, y) = sqrt (x ^ 2 + y ^ 2)
▶ scalar > f (3,4)
➥ e1 = 5.0
👩🏫 Scalar was created by a mathematician, therefore it has built-in summation and product operators!
Scalar also supports summation and product operators, for example the number of prime numbers in the range of 2 to 1000
▶ scalar > sum ( i, 2, 10000, ispr (i) )
➥ e1 = 1229.0
⚡️ This is only a tiny part of available options!
It is only a presentation of a small part of the available mathematical functions. All implemented math elements exceeds several hundred.
👩🏻💻 At Scalar, you can write scripts!
🔹 The ability to write scripts is a unique feature among scientific calculators.
🔹 We all know how scripts significantly accelerate work.
🔹 Scalar provides a nice script editor with syntax highlighting & syntax hints.
🔹 Scripts can be saved and/or shared (pro version).
🔹 Start-up script is also supported (pro version).
📈 At Scalar you can create beautiful function graphs!
🔹 Visualization is important - no doubts!
🔹 Scalar provides the ability to create highly personalized function charts.
🔹 Functions graphs are fully interactive: values reading, scaling, zooming.
🔹 Function charts can be saved or shared (pro version).
📳 ScalarMath.org
More details on: ScalarMath.org
👌 Enjoy using Scalar Scientific Calculator!
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Desmos Test Mode VS.
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10icembre d, 2024