  Module of MATHEMATICS

- New topic "Divisibility"

Rational numbers:
- Reduce to a common denominator
- Addition-subtraction of fractions with like denominators
- Addition-subtraction of fractions with unlike denominators
- Improper fractions to mixed numbers
- Mixed numbers to improper fractions
- Identifying mixed numbers of shaded shapes

Equations:
-Exponential equations:  Added a new type: a^x + a^(b-x) = c

Systems of non-linear equations:
-Systems of 2×2 equations (linear and quadratic): Added a new type: f·xy=k, ax+by=c

Complex numbers:
- Rectangular (cartesian) to polar conversion
- Polar to rectangular (cartesian) conversion

Plane analytical geometry:
- Conics I: Circle: Added exercise to find radical axis of two circles New in version 1.18 New in version 1.18.3
- New toolbar design

- Improved backward compatibility with worksheet files created with older versions (prior to 1.12). New in version 1.12.1
Modules of PHYSICS and CHEMISTRY
- Units and chemical formulae: Mass conversion (metric).
- Units and chemical formulae: Length conversion (metric).
- Units and chemical formulae: Area conversion I (metric).
- Units and chemical formulae: Area conversion II: Square meter and hectare.
- Units and chemical formulae: Volume conversion I: (metric).
- Units and chemical formulae: Volume conversion II (metric).
- Units and chemical formulae: Volume conversion III (metric).
- Units and chemical formulae: Temperature conversion I (Celsius - Fahrenheit).
- Units and chemical formulae: Temperature conversion II (Celsius - Fahrenheit - Kelvin).
- Units and chemical formulae: Length conversion (metric - imperial).
- Units and chemical formulae: Mass conversion (metric - imperial).

Module of CHEMISTRY
- Atomic and molecular structure: Number of protons, neutrons, and electrons for atoms (tabular format).
- Atomic and molecular structure: Number of protons, neutrons, and electrons for atoms and ions  (tabular format).
- Atomic and molecular structure: Lewis dot structure.
- Atomic and molecular structure: Lewis dot structure and molecular geometry.

- Organic chemistry: Hybridization state of carbon atoms. New in version 1.12
Module of CHEMISTRY

- Fixed bugs in colligative properties. New in version 1.12.2
Module of MATHEMATICS

New types of solutions in equations:
- Linear equations with integer coefficients. Integer solutions
- Linear equations with integer coefficients. Rational solutions

- Linear equations with rational coefficients. Integer solutions
- Linear equations with rational coefficients. Rational solutions

- Incomplete quadratic equations. Integer solutions
- Incomplete quadratic equations. Rational solutions
- Incomplete quadratic equations. Real solutions

- Complete quadratic equations. Integer solutions
- Complete quadratic equations. Rational solutions
- Complete quadratic equations. Real solutions

- Quadratic equations. Constants in the denominator. Integer solutions
- Quadratic equations. Constants in the denominator. Rational solutions
- Quadratic equations. Constants in the denominator. Real solutions

- Quadratic equations. Unknown in the denominator. Integer solutions
- Quadratic equations. Unknown in the denominator. Rational solutions
- Quadratic equations. Unknown in the denominator. Real solutions

- Biquadratic equations. Integer solutions
- Biquadratic equations. Rational solutions
- Biquadratic equations. Real solutions New in version 1.13
Module of MATHEMATICS

- Matrices, determinants and systems of equations:

- Cayley-Hamilton Theorem: Powers of a matrix
- Cayley-Hamilton Theorem: Inverse and powers of a matrix
- Coordinates of a 2D-vector relative to a given basis
- Coordinates of a 3D-vector relative to a given basis
- Change of basis matrix for 2D-vectors
- Change of basis matrix for 3D- vectors New in version 1.14 New in version 1.18.4
Module of CHEMISTRY
- Added 6 new organic chemistry reactions in "Organic chemistry" topic:
-- Oxidation of primary alcohol
-- Oxidation of secondary alcohol
-- Oxidation of aldehyde
-- Reduction of carboxylic acid
-- Reduction of aldehyde
-- Reduction of ketone

-Added 5 new electrodes in "Redox reactions" topic:
-- Fe+3 / Fe
-- Co+2 / Co
-- Mn+2 / Mn
-- Ti+3 / Ti
-- V+2 / V

-- Added  "diagrams of electrochemical cells" in "Redox reactions" topic / "Galvanic cell" subtopic. New in version 1.18.5
Module of PHYSICS

- Added new subtopic in "Unit conversion" topic:
-- Time conversion

- Added new subtopic in "Dynamics" topic:
-- Hooke's Law word problems

- Added new subtopic in "Sound" topic:
-- Sound Intensity and Sound Level

Module of CHEMISTRY

- Added new subtopic in "Units and chemical formulae" topic:
-- Time conversion

- Added new subtopics in "Stoichiometry of chemical reactions" topic:
-- Simple stoichiometry of reactions I (pure reagents)
-- Simple stoichiometry of reactions II (impure reagents)
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Ref.: CZZZ - Version 1.24 - O.S.: Windows 7 - 8 - 10
You are here  >  Home  >  Software  >  Worksheet Generators >  Worksheet generator for Maths, Physics and Chemistry  >  New in last version New in version 1.20
- New toolbar design

Module of MATHEMATICS

- Added new subtopics in "Divisibility" topic:
- Gcm of natural numbers
- Lcm of natural numbers

- Added new subtopic in "Rational numbers" topic:
- Addition and subtraction of repeating decimal numbers

- Added new subtopics in "Powers and roots":
- Writing radicals as rational exponents
- Writing rational exponents as radicals
- Addition and subtraction of cube roots

- Added new type of equation in "Equations" topic / "Equations involving roots" subtopic:
- New type of equation: sqr(x+a) + sqr(x+b) = c

- Added 5 new types of Indefinite integrals in "Indefinite integrals" topic / " Integration by parts III" subtopic:
- 5 new types of Indefinite integrals:
x * arctan ax
sin ln ax
cos ln ax
expx * sin ax
expx * cos ax

- Added new topic: "Vector calculus":
- Gradient
- Divergence
- Curl
- New toolbar design

Module of MATHEMATICS

- Added new subtopics in "Natural numbers" topic:
-- Simplifying powers of natural numbers I
-- Simplifying powers of natural numbers II

- Added new subtopics in "Integer numbers" topic:
-- Simplifying powers of integers numbers I. Positive exponents
-- Simplifying powers of integers numbers II. Negative exponents

- Added new subtopics in "Rational numbers" topic:
-- Multiplication and division with fractions
-- Simplifying powers of integers numbers II. Negative exponents
-- Simplifying powers of rational numbers I
-- Simplifying powers of rational numbers II

- Added new subtopics in "Powers and roots" topic:
-- Simplifying powers of integers numbers I. Positive exponents
-- Simplifying powers of integers numbers II. Negative exponents

- Added new topic "Proportions and percentages"

- Added new subtopics in "Proportions and percentages" topic:
-- Finding an unknown quantity in a proportion

- Added new topics:
--  "Polynomials"
--  "Algebraic fractions"

- Added new subtopics in "Polynomials" topic:
-- Square binomials and difference of two squares

- Added 5 new equations in "Logarithmic equations" subtopic. ("Exponentials and logarithms" and "Equations. Other types" topics).

- Added new subtopics in "Equations. Other types" topic:
-- Equations involving roots (2 square roots)
-- Trigonometric equations

- Added new topics:
-- Basic geometry I. Plane shapes
-- Basic geometry II. Solid shapes

- Added new subtopics in "Basic geometry I. Plane shapes" topic:
-- Similarity I. Ratios of lengths
-- Similarity II. Ratios of areas New in last version  Worksheet generator for Maths, Physics and Chemistry
New in version 1.21 - Added new topic "Conic sections"

- Added new subtopics in "Descriptive statistics" topic:
-- One-variable statistics: Ungrouped data (I)
-- One-variable statistics: Grouped data (I)
-- One-variable statistics: Grouped data (II)

Module of CHEMISTRY

- Added new topics:
-- Organic nomenclature. Hydrocarbons
-- Organic nomenclature. Oxygen-containing
-- Organic nomenclature. Nitrogen-containing

- Added new subtopics in "Organic nomenclature. Oxygen-containing" topic:
-- D: Alcohols
-- N: Alcohols
-- D: Ketones
-- N: Ketones
-- D: Aldehydes
-- N: Aldehydes
-- D: Ethers
-- N: Ethers
-- D: Phenols
-- N: Phenols
-- D: Acids
-- N: Acids
-- D: Esters
-- N: Esters
-- D: Multiple oxygen functional groups
-- N: Multiple oxygen functional groups

- Added new subtopics in "Nitrogen-containing" topic:
-- D: Amines
-- N: Amines
-- D: Amides
-- N: Amides
-- D: Nitriles
-- N: Nitriles
-- D: Nitro compounds
-- N: Nitro compounds
-- D: Multiple nitrogen (oxygen) functional groups
-- N: Multiple nitrogen (oxygen) functional groups          Module of PHYSICS

- Added new topic: "Vector calculus":
- Gradient
- Divergence
- Curl

- Added new subtopic in "Dynamics" topic:
- Centripetal force

Module of CHEMISTRY

- Added new subtopics in "Units and chemical formulae" topic:
- Determining empirical and molecular formula (without combustion)
- Determining empirical and molecular formula (with combustion)

- Added new subtopic in "Gases" topic:
- Problems of ideal gases III (Dalton's Law)
Module of MATHEMATICS

- Added new subtopic in "Unit conversion" topic:
-- Time conversion

- "Angle calculations" topic was renamed as "Sexagesimal system"

- Added new subtopics in "Sexagesimal system" topic:
-- Time and clock (I)
-- Time and clock (II)

- In "Sexagesimal system" topic, the following subtopics now ask for angle and time calculations:
- Addition
- Subtraction
- Multiplication by a whole number
- Division by a whole number

- Added new subtopics in "Equations" topic:
-- Linear equations word problems (integer coefficients)
-- Linear equations word problems (rational coefficients)

- Added new subtopic in "Definite integrals" topic:
-- Definite integrals

- Added new topic: "Differential equations"

- Added new subtopics in "Differential equations" topic:
-- Separable
-- Linear equations
-- Homogeneous equations
-- Exact equations
-- Second order homogeneous linear equations with constant coefficients
- Improved page browsing

Module of MATHEMATICS
- Added new topic: "Exponentials and logarithms"

- Added new subtopics in "Exponentials and logarithms" topic:
-- Exponential expression to logarithmic expression
-- Logarithmic expression to exponential expression
-- Simplifying logarithms
-- Evaluate logarithms from another one

- Added new topic: "Systems of inequalities"

- Added new subtopics in "Matrices, determinants and systems of equations" topic:
-- Determinants 3×3 (without parameters)
-- Determinants 4×4 (without parameters)
-- Determinants (with parameters)
-- Rank of matrices (without parameters)
-- Rank of matrices (with parameters)
-- Inverse matrix (without parameters)
-- Inverse matrix (with parameters)

- Added new topic: "Vector space"

- Added new subtopic in "Trigonometry" topic:
-- Reducing to the corresponding acute angle

- "Statistics" topic was renamed as "Descriptive statistics"
Limits:
- Limits involving rational functions:  Added a new type: (x+b)/(x-a) - (x+c)/(x^2-a^2)
- Limits involving roots: Added a new type: sqr[(x-a)(x-b)] / sqr(x-a)
- Limits of powers: Added 3 new types:  [a^(x+d) + b^(x+f)]/[a^(x+g) + b^(x+h)],    (1 + a·sinx)^(b/x)   and    (b+1 - b·cosx)^(c/x^2)

Derivatives:
- Average rate of change of a function
- Derivative of functions VII: Added a new type y = [(ax+b)/(cx+d)]^n

Study of functions:
- Analyze function using the graph of its derivative (III)  (pseudo-quartic functions)

Graphing functions:
- Formula of a linear function given its graph
- Properties of a piecewise function given its graph I
- Properties of a piecewise function given its graph II
- Formula of a piecewise function given its graph
- Basic III: Piecewise functions. Linear and constant
- Basic IV: Piecewise functions. Linear and quadratic

Indefinite integrals:
- Integration by substitution I. Added 3 new types: e^x/sqr(e^x+a),  e^(2x)/sqr(e^x+a),  e^(3x)/sqr(e^x+a)

New types of solutions in systems of equations:
- Systems of 2×2 linear equations. Integer solutions
- Systems of 2×2 linear equations. Rational solutions

- Solving system of 2×2 linear equations by graphing. Integer solutions

- Systems of 3×3 linear equations. Integer solutions
- Systems of 3×3 linear equations. Rational solutions

Diagonalization of matrices:
- Diagonalization of 2x2 matrices: Eigenvalues
- Diagonalization of 3x3 matrices: Eigenvalues
- Diagonalization of 2x2 matrices: Eigenvalues and eigenvectors
- Diagonalization of 3x3 matrices: Eigenvalues and eigenvectors

- Automatic check for updates.

Module of MATHEMATICS
- Rational numbers: Placing fractions on the Number Line.
- Rational numbers: Identifying fractions on the Number Line.

- Real numbers: Placing real numbers on the Number Line.

- Equations: Simplifying linear and quadratic expressions.

- Systems of linear equations: Solving system of 2×2 linear equations by graphing.

- Complex numbers: Complex equations.
- Complex numbers: Complex equations + plotting answers.

- Plane analytical geometry: Conics: Matching equation of conic sections to their graphs.

- Study of functions: Matching linear functions to their graphs.
- Study of functions: Matching quadratic functions to their graphs.
- Study of functions: Matching cubic functions to their graphs.
- Study of functions: Matching functions to their graphs.

- Statistics: Two-variable statistics: Drawing the scatterplot and the regression line.

- Added option to edit properties of an exercise individually and preview it before inserting it into the main document.

- Added option to insert extra spacing after the statement of each problem so that it can be resolved on the same sheet of the printed problem.

Module of MATHEMATICS

- Added new subtopics in "Natural numbers" topic:
-- Subtraction of natural numbers
-- Division of natural numbers III
-- Convert numbers to roman numerals I
-- Convert numbers to roman numerals II
-- Convert roman numerals to decimal numbers I
-- Convert roman numerals to decimal numbers II
-- Converting from other bases to base 10
-- Converting from base 10 to other base

- Added new subtopics in "Complex numbers" topic:
-- Plotting complex numbers on the complex plane
-- Identifying complex numbers on the complex plane

- Added new subtopics in "Plane analytic geometry" topic:
-- Points I: Graphing points on the coordinate plane (first quadrant)
-- Points II: Identifying points on the coordinate plane (first quadrant)
-- Points III: Graphing points on the coordinate plane
--  Points IV: Identifying points on the coordinate plane
-- Vectors I: Plotting vectors on the coordinate plane
-- Vectors II: Identifying vectors on the coordinate plane

- Added new subtopics in "Indefinite integrals" topic:
-- Integrating powers of trigonometric functions (I)
-- Integrating powers of trigonometric functions (II)
-- Integration by trigonometric substitution
-- Integrals of trigonometric functions sin(mx)·cos(nx)

- Added new subtopics in "Definite integrals" topic:
-- Improper integral (I)
-- Improper integral (II)
-- Double integral (I)
-- Double integral (II)

- Added new subtopic in "Equations. Introduction" topic:
-- Verifying solutions to equations  New in version 1.22
- Added new subtopics in "Probability" topic:
-- Normal distribution I: N(0,1)
-- Normal distribution II: Standardizing

- Added new topic "Recreational mathematics"

- Added new subtopic in "Recreational mathematics" topic:
-- Crack the code

Module of PHYSICS

- Added new subtopics in "Work, energy, power and momentum" topic:
-- Specific heat
-- Specific and latent heat

- Added new subtopics in "Electric circuits" topic:
-- Diode current limiting resistor
-- Passive Low/High Pass Filters (RL and RC)

Module of CHEMISTRY

- Added new subtopics in "Thermochemistry" topic:
-- Specific heat
-- Specific and latent heat

- Added new topic "Atomic structure"

- Added new subtopics in "Atomic structure" topic:
-- Quantum numbers I
--  Quantum numbers II
-- Quantum numbers III
-- Quantum numbers IV
-- Light: Frequency, wavelength, and energy

- Added new topic "Molecular structure"

- Added new subtopics in "Nomenclature of inorganic compounds" topic:
-- W: Oxides
-- N: Oxides
-- W: Peroxides
-- N: Peroxides      Chemistry
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Worksheet generator Module of MATHEMATICS

- Added new subtopics in "Natural numbers" topic:
-- Combined operations without parentheses
-- Combined operations with parentheses
-- Writing expanded numbers (in powers of 10) in standard notation

- Added new subtopics in "Integer numbers" topic:
-- Combined operations without parentheses
-- Combined operations with parentheses

- Added new subtopic in "Rational numbers" topic:
-- Combined operations with parentheses

- Added new subtopics in "Unit conversion" topic:
-- Convert radians to degrees
-- Convert degrees to radians

- Added new subtopics in "Sexagesimal system" topic:
-- Time addition without carrying
-- Time addition with carrying
-- Angle addition without carrying
-- Angle addition with carrying
-- Time subtraction
-- Angle subtraction

- Added new subtopics in "Powers and roots" topic:
-- Finding square roots using the square root algorithm I
-- Finding square roots using the square root algorithm II
-- Expanding square roots expressions

- Added new subtopics in "Polynomials" topic:
-- Square binomials and difference of two squares I
-- Square binomials and difference of two squares II

- Added new subtopic in "Algebraic fractions" topic:
-- Algebraic fractions IV: Combined operations

- Added new subtopics in "Exponentials and logarithms" topic:
-- Evaluate logarithms from two other known
-- Evaluate logarithms without using a calculator
-- Evaluate logarithms using the logarithm change of base rule
-- Finding the base of logarithms

- Added new subtopics in "Equations. Other types" topic:
-- Equations in factored form
-- Cubic equations (degree 3)
-- Quartic equations (degree 4)

- Added new subtopics in "Systems of linear equations" topic:
-- Systems of 2×2 linear equations. Rational coefficients
-- Systems of 4×4 linear equations
- Added new subtopic in "Matrices, determinants and systems of equations" topic:
-- Determinants 2×2 (without parameters)

- Added new subtopics in "Trigonometry" topic:
-- Convert radians to degrees
-- Convert degrees to radians

- Added new subtopics in "Derivatives" topic:
-- Finding derivatives at a point using the Limit Definition
-- Finding derivatives of functions using the Limit Definition
-- First-order partial derivatives
-- Second order partial derivatives

- Added new topic "Numerical integration"
-- Rectangle rule
-- Trapezoidal rule
-- Simpson's rule
- Added new subtopic in "Differential equations" topic:
-- Bernoulli equations

- Added new subtopic in "Descriptive statistics" topic:
-- Pie charts

- Added new subtopics in "Probability" topic:
-- Normal distribution III: Word problems
-- Normal distribution IV: Word problems of sample means

Module of PHYSICS

- Added new subtopics in "Unit conversion" topic:
-- Convert radians to degrees
-- Convert degrees to radians

Module of CHEMISTRY

- Added new subtopics in "Units and chemical formulae" topic:
-- Grams and moles conversions

- Added new subtopics in "Atomic structure" topic:
-- Number of protons, neutrons, and electrons for ions
-- Ranking elements/ions according to radius

- Added new subtopics in "Organic nomenclature. Hydrocarbons" topic:
-- D: Linear and branched chains of alkenes
-- N: Linear and branched chains of alkenes

- The topic "Organic chemistry" was moved to the end of the topic list  New in version 1.23  Copyright © 2007 - 2021 - VaxaSoftware. All rights reserved.    Module of MATHEMATICS

- Added new subtopics in "Decimal numbers" topic:
-- Rounding decimal numbers (I)
-- Rounding decimal numbers (II)
-- Combined operations without parentheses
-- Combined operations with parentheses

- Added 2 new equations in "Logarithmic equations" subtopic. ("Exponentials and logarithms" and "Equations. Other types" topics)

- Added new subtopic in "Equations. Other types" topic:
-- Triquadratic equations

- Added 1 new equation in "Equations involving roots (1 square root)" subtopic.
("Equations. Other types" topic)

- Added new subtopic in "Vector space" topic:
-- Diagonalization of linear transformations from R³ to R³

- Added new subtopics in "Study of functions" topic:
-- Finding coefficients of functions involving derivatives (I)
-- Finding coefficients of functions involving derivatives (II)

Module of PHYSICS

The old topic "Atomic structure and Special relativity" was subdivided into 3 new topics
-- "Special relativity" topic
-- "Quantum mechanics" topic
-- "Nuclear physics" topic

Module of CHEMISTRY

- Added new subtopic in "Units and chemical formulae" topic:
-- Determining empirical formula

- Added new subtopic in "Solutions" topic:
-- Aqueous solutions II

- Added new subtopic in "Chemical kinetics" topic:
-- Potential energy diagram

- Added new subtopics in "Acid-base equilibria" topic:
-- Weak acids I
-- Weak acids II
-- Weak bases I
-- Weak bases II

- Added new subtopic in "Redox reactions" topic:
-- Electrolysis I

- Added new subtopics in "Organic chemistry" topic:
-- Chain isomers
-- Position isomers
-- Functional isomers
-- Geometric isomers
-- Optical isomers  New in version 1.24