TechCalc Scientific Calculator 对比 Scientific Calculator Scalar 的使用情况和统计数据

TechCalc is the "Swiss Army Knife" of Scientific Calculators ... 44 Calculation Options + a Scientific Reference Section + the Periodic Table of the Elements! Perfect for all aspects of scientific and engineering calculations in school, university and throughout your career. Why not download it now and give it a try? Modes included in the main menu are: ● Basic Calculator - Algebraic and Reverse Polish Notation (RPN), ● Scientific Calculator - Algebraic and Reverse Polish Notation (RPN), ● 64-bit Programmer Calculator (Hex, Oct, Bin and Dec) - Algebraic and Reverse Polish Notation (RPN), ● Graphs (Functions, Implicit Equations, Parametric Equations, XY Scatter Plot and 3D Surface Plot), ● Matrices - including Inverse, Transpose, Determinant, Cofactor, Adjugate, Trace, Rank, Eigenvalues, Eigenvectors, Decompositions (LU, Cholesky, QR, Singular Value), ● Complex Numbers (Cartesian, Polar, using Euler's identity), ● Quick Formulas (includes 58 classic scientific formulas plus the ability to add your own custom formulas), ● Quick Converter, ● Time Calculator, ● Equation Solver (Linear Equations, Roots of a Polynomial Equation, Exponents of an Exponential Equation, Inequations, Factorization of Polynomials, GCD of 2 Polynomials, LCM of 2 Polynomials, Binomial Expansion & Vector Arithmetic), ● Calculus - including Symbolic Algebra (Derivatives, Definite Integrals, Taylor Series, Indefinite Integrals & Limits) ● Financial (Simple Interest; Compound Interest; Cash Flow; Amortization; Growing Annuity; Cost, Sales, Margin & Markup; Break-Even; Depreciation; Bonds; Days Calculation; Interest Conversion; Options Trading - Greeks) + the Periodic Table of Elements! Features include: ● All Trigonometric operations (radians, degrees or gradients) ● Powers & Roots ● Logs and Antilogs ● Factorial, Modulus & Random Numbers Functions ● HCF, LCM, Prime Factors ● Pol() & Rec() Functions ● Permutations (nPr) and Combinations (nCr) ● Statistics (30 different functions!) ● Conversions (35 different categories!) ● Physical and Astronomical Constants (52 in total!) ● Fractions Mode ● 20 Memory Registers in each of the calculation modes ● Detailed calculation history ● Extensive Help and Reference ● Highly customizable via the Settings The reference section includes the following calculators and converters (any, or all, of which can be moved to the main menu if required): ● ASCII Converter ● Aspect Ratio Calculator ● Balancing Chemical Equations ● Barometric Formula Calculator ● Bicycle Tire Pressure Calculator ● Body Mass Index (BMI) Calculator ● Boolean Algebra Calculator ● Characteristics of an RLC Circuit ● Color Calculator ● Coordinates Converter ● Empirical Formula Calculator ● Ephemerides Calculator ● Feet and Inches Calculator ● Fractional Bits Converter ● Geodetic Distance Calculator ● Humidity Calculations ● IEEE 754 Converter ● Interpolation Calculator ● IP Subnet Calculator ● Linear Regression Analysis ● Molecular Weight Calculator ● Number Base Converter ● Numerical Sequences ● Percentage Calculator ● pH Calculator ● Polygon Area Calculator ● Proportion Calculator ● Roman Numeral Converter ● Sigma and Pi Notation ● Statistics (Grouped Data) ● Unit Price Comparison ● Wind Chill Calculator The reference section also includes the following information: ● Physical Laws ● Mathematical Tables ● Elementary & Linear Algebra ● Trigonometric Identities ● Differentiation & Integration Rules ● Statistics Formulas ● Vector Mathematics ● Names in the Metric System ● Cooking Temperature Scales ● Beaufort Wind Scale Please email any questions that are not answered in the Help section. This is also an ad-supported app - upgrade to an ad-free version via: https://play.google.com/store/apps/details?id=com.roamingsquirrel.android.calculator_plus

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Scientific Calculator Scalar

📗📙📘 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!