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          • Version history
            Application Version 1.52
            • Version 1.52, 11/1/2024
              • Added: Tests → Mathematics → Algebra → Matrices → Determinant
              • Modified: TodDo/Exception Log switched to Database
              • Fix: ZeroCoupon Bond: Synchronized Maturity date
              • Fix: SoftMax: Error message on empty data
            • Version 1.51, 10/12/2024
              • Added: Tests → Mathematics → Calculus → Derivative
              • Enhanced: Formula simplification
            • Version 1.50, 9/21/2024
              • Added: Matehmatics → Calculus → Definite Integral
              • Added: Tests
              • Added: Tests → Mathematics → Algebra → System of Linear Equations
            • Version 1.49, 8/29/2024
              • Added: Integral : Rational Polynomial functions: P1(x)/P2(x)
            • Version 1.48, 8/8/2024
              • Added: Help → Search
              • Added: Integral : Rational Polynomial functions: P(x)/(ax+b)
              • Fix: Complex Numbers
            • Version 1.47, 5/20/2024
              • Added: HTTPS service
              • Added: Mathematics → Statistics & Probability → Softmax & LogSumExp
              • Added: Mathematics → Statistics & Probability → Covariance Matrix
              • Added: Computer Science → Encoding → QR Code
              • Modified: GUI unified: Note Message
              • Modified: GUI unified: Vectors
            • Version 1.46, 4/14/2024
              • Added: Get Resource service and map
              • Added: Atlas → Reload Get Request Map
            • Version 1.45, 4/8/2024
              • Modified: Enhancements and bug fixes: Matrix calculators, Big Number
            • Version 1.44, 3/23/2024
              • Added: Mathematics → Statistics & Probability → Q-Q Plot
              • Added: Mathematics → Matrices → Left & Right Inverse
              • Added: Mathematics → Matrices → QR Decomp.
              • Added: Matehmatics → Calculus → Slope Field
              • Modified: Mathematics → Matrices → Inverse
            • Version 1.43, 3/7/2024
              • Added: Mathematics → Calculus → Function Analysis
              • Added: Differential Equation : Homogeneous equations
              • Modified: Atlas → Deploy
            • Version 1.42, 2/17/2024
              • Added: Mathematics → Matrices → LU Decomposition
              • Added: Mathematics → Calculus → Differential Equations
            • Version 1.41, 1/21/2024
              • Added: Mathematics → Matrices → Singular Value Decomp.
              • Added: Methematics → Analytic Geometry → 2D Rotation
              • Added: Methematics → Analytic Geometry → 3D Rotation
              • Added: Mathematics → Algebra → Complex Number
            • Version 1.40, 10/10/2023
              • Added: Methematics → Analytic Geometry → Polygon
              • Added: Methematics → Analytic Geometry → Polygon → Generating Random Convex Polygon
              • Modified: Unified GUI : Matrix Multiplication
              • Modified: Unified GUI : Determinant
              • Modified: Unified GUI : Row Echelon Form & Rank
              • Fix : Vector Space: Row, Column & Null Space
              • Fix : SAP-1
            • Version 1.39, 8/24/2023
              • Added: Integral : Substitution rule
              • Added: Integral : Integration by parts rule
              • Added: Integral : ln function
              • Added: Computer Science → Encoding → Cryptography → DES
              • Added: Server : OPTIONS request processing
              • Enhanced: Server handling of POST data stream
            • Version 1.38, 6/12/2023
              • Added: Mathematics → Analytic Geometry → Distance of a Point
              • Added: Computer Science → Encoding → Cryptography → Simple Cryptosystems
              • Bug fixes
            • Version 1.37, 5/21/2023
              • Added: Computer Science → Computer→ Turing Machine
              • Added: Welcome page
              • Added: Integral : tan^2 and cot^2 functions
              • Added: Physics → Units & Constants
              • Added: Physics → Units & Constants → Units Conversion
            • Version 1.36, 3/20/2023
              • Added: Physics → Mechanics → Circular Motion calculator
              • Code enhancments
            • Version 1.35, 3/06/2023
              • Added: MachineLearning → Clustering → Support Vector Machine → Manual Entry calculator
              • Added: MachineLearning → Clustering → Support Vector Machine → File Upload calculator
              • Added: MachineLearning → Clustering → Fuzzy C-Means → Manual Entry calculator
              • Added: MachineLearning → Clustering → Fuzzy C-Means → File Upload calculator
              • Enhanced: MachineLearning → Clustering → K Means → Manual Entry GUI
              • Enhanced: Computer Science → Languages → Prolog
            • Version 1.34, 11/30/2022
              • Added: Computer Science → Languages
              • Added: Computer Science → Languages → Prolog emulator
            • Version 1.33, 7/27/2022
              • Modified: Mathematics → Calculus → 1st Order Ordinary Differential Equation := Numerical Solution of Differential Equations
              • Added: Mathematics → Calculus → Numerical Solution of Differential Equations → System of Differential Equations
              • Added: Mathematics → Geometry
              • Added: Mathematics → Geometry→ Triangle
              • Added: Atlas → Sitemap
              • Enhanced: Integral : Exponential functions: a^x
            • Version 1.32, 7/27/2022
              • Added: Mathematics → Statistics & Probability → Normal Distribution
              • Added: Mathematics → Calculus → Error Function → Inverse
              • Added: Help → Index
              • Added: robots.txt, sitemap.txt
            • Version 1.31, 7/10/2022
              • Added: Mathematics → Calculus → Error Function
              • Fix: Encoding → Floating Point → Fixed Point
              • Enhanced: Computer Science → Computer→ SAP-2
              • Enhanced: Computer Science → Computer→ SAP-1 : GUI
            • Version 1.30, 6/29/2022
              • Added: Mathematics → Matrices → Characteristic Polynomial calculator
              • Added: Mathematics → Matrices → Eigenvalues & Eigenvectors calculator
              • Added: Mathematics → Algebra → Polynomial Roots calculator
            • Version 1.29, 5/31/2022
              • Fix: Derivative: GUI
              • Added: Integral : tan and cot functions
              • Added: Mathematics → Vector Space → Row, Column & Null Space
              • Enhanced: Formula Syntax Help
              • Enhanced: Mathematics → Vector Space → Orhonormal Base
              • Enhanced: Mathematics → Matrices → Row Echelon Form & Rank calculator
            • Version 1.28, 5/23/2022
              • Fix: Derivative: a^f(x)
              • Added: Integral : Exponential functions: a^x
              • Added: Mathematics → Calculus → Directional Derivative
            • Version 1.27, 4/23/2022
              • Added: Mathetaics → Vector Space
              • Added: Mathetaics → Vector Space → Orhonormal Base
              • Added: Integral : Trigonometric functions sin and cos
              • Modified: Angle and Projection calculator: Added projection v2 onto v1, enhanced JS
            • Version 1.26, 4/17/2022
              • Added: Mathematics → Calculus → Indefinite Integral
              • Added: Integral : Rational functions
              • Added: Note Message : Indefinite Integral
              • Enhanced: Formula simplification
            • Version 1.25, 3/2/2022
              • Enhanced: Formula simplification
            • Version 1.24, 2/17/2022
              • Added: Mathematics → Statistics & Probability → Regression - Linear function - Manual Entry calculator
              • Linked: Machine Learning → Regression → Linear Regression to Mathematics → Statistics & Probability → Regression
            • Version 1.23, 2/6/2022
              • Added: Mathematics → Statistics & Probability
              • Added: Mathematics → Statistics & Probability → Statistics - Manual Entry calculator
              • Enhanced: Formula simplification
              • Enhanced: Formula representation
            • Version 1.22, 1/9/2022
              • Added: Mathematics → Logic
              • Added: Mathematics → Logic → Truth Tables calculator
              • Added: Mathematics → Logic → Minimal Sum of Products calculator
              • Added: Computer Science → Encoding → Unicodes table
              • Added: Computer Science → Computer→ Intel 8086/8088
              • Enhanced: Computer Science → Encoding → Character Encoding
            • Version 1.21, 12/11/2021
              • Added: Computer Science → Computer→ SAP-2 emulator
              • Added: Computer Science → Encoding → Character Encoding calculator
              • Added: Computer Science → Encoding → Integer Encodoing calculator
              • Added: Computer Science → Encoding → Decimal Number Encoding calculator
              • Added: Atlas → Users
              • Added: Atlas → Network Status
            • Version 1.20, 11/23/2021
              • Added: Computer Science
              • Added: Computer Science → Encoding
              • Added: Computer Science → Encoding → ASCII Table
              • Added: Computer Science → Computer
              • Added: Computer Science → Computer→ SAP-1 emulator
              • Added: Electronics → Circuits → Resistor → Ohm's Law calculator
              • Enhanced: Formula simplification
            • Version 1.19, 10/30/2021
              • Added: Finance → Fixed Income → Zero Coupon Bond calculator
              • Added: Calculation Log
              • Enhanced: Formula simplification
            • Version 1.18, 10/8/2021
              • Added: MachineLearning → Clustering → COBWEB → Manual Entry calculator
              • Added: MachineLearning → Clustering → COBWEB → CVS File Upload calculator
              • Added: MachineLearning → Clustering → COBWEB → JSON File Upload calculator
            • Version 1.17, 8/26/2021
              • Added: Mathematics → Calculus → 1st Order Ordinary Differential Equation → File Upload calculator
              • Modified: Moved Root to Calculator
              • Modified: Moved Log Report to Atlas
              • Enhanced: User Authentication and handling
            • Version 1.16, 8/1/2021
              • Modified: Moved Attacker to MCDB
              • Added: Mathematics → Calculus → 1st Order Ordinary Differential Equation → Manual Entry calculator
              • Added: Atlas → Attacker monitor and editor
              • Added: User - Preferred User, Multi User
            • Version 1.15, 6/22/2021
              • Modified: Atlas → Login
              • Added: Mathematics → Matrices → Multiplication → Manual Entry calculator
              • Added: Mathematics → Matrices → Multiplication → File Upload calculator
              • Added: Mathematics → Matrices → Row Echelon Form & Rank calculator
              • Added: Mathematics → Algebra → System of Linear Equations → Manual Entry calculator
              • Added: Mathematics → Algebra → System of Linear Equations → File Upload calculator
            • Version 1.14, 6/9/2021
              • Added: Mathematics → Matrices
              • Added: Mathematics → Matrices → Determinant → Manual Entry calculator
              • Added: Mathematics → Matrices → Determinant → File Upload calculator
              • Added: Mathematics → Matrices → Inverse → Manual Entry calculator
              • Added: Mathematics → Matrices → Inverse → File Upload calculator
              • Added: Mathematics → Algebra → Factorization calculator: GCD
              • Added: Mathematics → Algebra → Factorization calculator: LCM
              • Added: Mathematics → Algebra → Factorization calculator: Number Factorization
            • Version 1.13, 5/30/2021
              • Added: Mathematics → Algebra
              • Added: Mathematics → Algebra → Quadratic Equation calculator
              • Added: Mathematics → Algebra → Cubic Equation calculator
            • Version 1.12, 5/21/2021
              • Added: MachineLearning → Optimization → Gradient Descent calculator
              • Modified: Switched from MySQL to MC_DB for user control
            • Version 1.11, 4/25/2021
              • Created admin tool Atlas
              • Added: Atlas → Messages
              • Added: Login → Register
              • Added: Kinematics Calculator: Ballistic Projectile Motion
              • Improved Server performance: Resource cashing
            • Version 1.10, 4/17/2021
              • Added: Kinematics Calculator: Acceleration Distance
              • Added: Mathematics → Calculus → Derivatives
              • Added: Whois to the Log IP
            • Version 1.9, 3/21/2021
              • Added: Help → Contact us
              • Added: Finance → Fixed Income
              • Added: Finance → Fixed Income → Fixed Rate Bond calculator
              • Added: Finance → Fixed Income → Day Count
              • Added: Kinematics Calculator: Average Acceleration
              • Enhanced: Attack Monitor
            • Version 1.8, 2/16/2021
              • Added: Physics → Mechanics → Kinematics
              • Added: Kinematics Calculator: Average Velocity
            • Version 1.7, 2/12/2021
              • Added: Help → Version History
              • Added: Password change
              • Added: Finance → Options → Digital Option calculator
              • Modified: Login page, added Profile modification
            • Version 1.6, 1/29/2021
              • Added: Login menu and page
              • Created authentication mechanism
            • Version 1.5, 1/20/2021
              • Added: Finance → Options → Equity Option calculator
            • Version 1.4, 1/15/2021
              • Added: MachineLearning → Clustering → K Means → Manual Entry calculator
              • Added: Attackers monitoring and handling
            • Version 1.3, 1/9/2021
              • Added: MachineLearning → Clustering → K Means → File Upload calculator
            • Version 1.2, 12/28/2020
              • Added: Mathematics → Vectors → Product calculator
              • Added: Mathematics → Vectors → Angle and Projection calculator
            • Version 1.1, 12/15/2020
              • Created: Calculator page with basic menu containing Mathematics, Physics, Electronics, Machine Learning, AI and Finance
            • Version 1.0, 12/10/2020
              • Server created