Students bring their self-directed question and are connected with a specialist who can help them work out the answer. Our focus is a seamless, world-class student experience that improves satisfaction and confidence.
Our Subject Specialists only reside in Australia, New Zealand, the United Kingdom, South Africa, and Canada, and we only hire from the top 10% of universities worldwide. Our focus is to continually build, improve, and nurture a caring culture that promotes inclusion and wellbeing for our online team.
Below is a list of the areas specialists support students in. Note, this list is not exhaustive but intended to give an idea of the scope of service for each field.
Arithmetic operations (addition, subtraction, multiplication and division)
Real number system
Order of operations
Factors and multiples
Fractions, mixed numbers, decimals, percentages
Indices, roots and surds
Scientific notation, significant figures and SI units
Rounding and estimation
Measurement (linear, area, volume and capacity; units of measurement)
Basic Geometry ( eg angle theorems, Pythagoras' Theorem, deductive geometry)
Similarity and Congruency
Directed number (integers and all real numbers)
Ratios
Rates, including unit prices, speed, work rate problems
Simple interest
Compound interest
Problem solving strategies
Units of time; 24 hour time; using timetables
Algebraic expressions (collecting like terms, simplifying, algebraic fractions)
Algebraic substitution
Linear equations and their properties (including gradient, intercepts, parallel lines, perpendicular lines, horizontal and vertical lines)
Problem solving with linear equations
Formula substitution
Formula rearrangement
Linear simultaneous equations (graphical, substitution and elimination methods)
Cartesian Plane (including plotting linear and non-linear functions; mid-point formula; distance between two points)
Factorising and expanding algebraic expressions
Factorising quadratics, including completing the square and the quadratic formula
Direct proportion, inverse proportion, partial variation
Algebra (more advanced concepts) Linear inequalities (including graphing)
Non-linear equations and inequalities
Polynomials (eg factorising, solving, synthetic and long division, graphing)
Quadratics (eg methods of solving, graphing, properties, axis of symmetry, intercepts, turning point, transformations of quadratics)
Functions (including function notation, domain and range, properties of functions, piece-wise functions, inverse functions, asymptotes, reciprocal functions)
Linear programming
Non-linear simultaneous equations
Parametric equations
Conics (circles, parabolas, ellipses, hyperbolas)
Sequences and series (arithmetic, geometric)
Exponentials and logarithms (including graphs, exponential growth and decay, log rules)
Absolute value (including solving absolute value equations)
Binomial Theorem and Pascal's Triangle
Complex numbers
Matrices (including matrix algebra, Gaussian elimination, inverses, determinants)
Pythagoras' Theorem
Sine, Cosine and Tangent ratios
Bearings (true bearings, compass bearings)
3D trigonometry
The Unit Circle
Radian measure
Arc length and sector area
Inverse trig functions
The Sine Rule
The Cosine Rule
The sine function
The cosine function
The tangent function
Trigonometric equations
Trigonometric identities
Polar co-ordinates
Employment (including commission, wages, overtime calculations, taxation)
Budgets
Investments, including shares
Loan calculations
Annuities
Depreciation (straight line, reducing balance)
Weighted graphs, directed graphs, connected graphs
practical applications of networks
adjacency matrices
planar graphs, including Euler's formula
spanning trees; minimum spanning trees
critical path analysis (including forward and back scanning)
flow networks
Latitude and longitude (including measuring distances on the Earth's suface)
Time zones
The product principle
Counting paths
Factorial notation
Permutations
Combinations
The inclusion-exclusion principle
The Pigeonhole Principle
Theoretical probability
Experimental probability
Sample space
Compound events
Tree diagrams
Conditional probability
Sets and Venn diagrams
Contingency tables
Markov chains
The angle in a semi-circle theorem
The chord of a circle theorem
The radius-tangent theorem
The angle at the centre theorem
Angles subtended by the same arc
Tangents from an external point
Angle between tangent and chord
Cyclic quadrilaterals
Intersecting chords and secants theorems
Vectors and scalars
Geometric operations with vectors
Vectors in the plane
The magnitude of a vector
Operations with plane vectors
The vector between two points
Parallelism
Problems involving vector operations
The scalar product of two vectors
The angle between two vectors
Vector projection
Proof using vector geometry
Matrix structure
Matrix operations and definitions
Matrix multiplication
The inverse of a 2*2 matrix
Determinant of a 2x2 matrix
Simultaneous linear equations
Translations and lines in 2-D
Linear transformations
Rotations about the origin
Reflections
Dilations
Compositions of transformations
The inverse of a linear transformation
Cramer's Rule
Markov Chains
Eigenvectors and eigenvalues
Row-reduction
Determinant of 3x3 and greater matrix
The process of induction
The principle of mathematical induction
Proof of divisibility
Proofs for sequences and series
Proofs for products
Induction with matrices
Proof of inequalities
Rates of change
Instantaneous rates of change
Limits (including limit theorems, L'Hôpital's Rule, trigonometric limits)
Finding the gradient of the tangent
The derivative function
Differentiation from first principles
Tangents and normals
Increasing and decreasing functions
Stationary points
Optimisation
Kinematics
The chain rule
The product rule
The quotient rule
Derivatives of exponential functions
Derivatives of logarithmic functions
Derivatives of trigonometric functions
Second derivatives
The area under a curve
Antidifferentiation
The Fundamental Theorem of Calculus
Integration
Rules for integration
Integrating f(ax + b)
Definite and indefinite integrals
The area under a curve
The area between two functions
Trigonometric integrals
Substitution (including trig substitution)
Integration by parts
Partial fractions
Approximate integrals
Improper integrals
Discrete data
Continuous data
Measuring the centre (measures of central tendency)
Cumulative data
Measuring the spread (measures of dispersion)
Box plots; five number summary; determining outliers
Standard deviation
Line graphs
Scatter plots
Correlation
Measuring correlation
Line of best fit
Random variables
Discrete probability distributions
Expected value
Variance and standard deviation
Properties of aX + b
The Bernoulli distribution
The binomial distribution
Continuous random variables
Probability density functions
The normal distribution
Probabilities using a calculator
The standard normal distribution (Z-distribution)
Quantiles
Sampling distributions
Distributions of sample means
The Central Limit Theorem
Confidence intervals for means
Sample proportions
Confidence intervals for proportions
Hypothesis testing (single variable)
Linear regression
Text analysis - including identifying themes and literary devices, intertextuality, and analysis of structural features across all text types (including prose, poetry and visual texts)
Literary devices - including narrative devices, stylistic techniques, and persuasive techniques)
Grammar - including parts of speech and sentence structure)
Punctuation - including basic and advanced punctuation usage and rules)
Vocabulary
Creative Writing - including prose, poetry, articles, visual texts, responding to writing prompts, developing characters, plotting, pacing, and the inclusion of literary techniques
Essays All essay types, including English and History essays, and covering the interpretation of questions as well as scoping and planning, and support on the development of arguments, general and paragraph structure, and source comparison and evaluation.
Report Writing Research reports, including planning and scoping; refinement of research questions; development of ideas and arguments; advice on general report structure and formatting; and the structure of report sections including abstracts, introductions, and discussions.
Science reports, including planning and scoping; advice on report structure and formatting, including the structure of specific report sections; and support on grammar and clarity.
Literature reviews Literature reviews, including advice on general structure and formatting; the discussion of key elements and comparative aspects; assistance when evaluating sources' reliability and relevance; and support when identifying sources.
Feedback Feedback on most task types, including but not limited to essays in various subjects, speeches, creative writing stories, articles, reflections, and reports.
Referencing Support with in-text citations and bibliographies in the most common referencing styles, including APA, Chicago, Harvard, and MLA.
General support on other referencing systems.
Atomic Structure
Protons, neutrons, electrons and shells, ions
Identifying elements and compounds
Periodic table (groups and trends)
Chemical reactions
Reactants and products
Types of products (fuels, metals, pharmaceuticals)
Writing chemical equations
Rate of reactions (catalysts)
Chemical Fundamentals - Properties and Structure of Atoms
Trends in groups and periods of the periodic table
Electron configuration and orbital theory
Atomic radii and valences
Energy levels and electrostatic forced
Electron shell diagrams
Flame tests and atomic absorption spectroscopy
Chemical bonds (ionic, covalent polar)
Isotopes and mass spectrometry
Relative atomic mass
Nuclear chemistry (nuclear reactions and processing)
Chemical Fundamentals - Properties and Structure of Materials
Pure materials and mixtures
Chemical properties of materials (melting and boiling points, reactivity, density etc)
Mixtures (particle size, solubility, magnetism, density, electrostatic attraction)
Phases (properties of solids, liquids and gases)
Ionic compounds (properties, ionic bonding, lattice structures)
Covalent compounds (covalent bonds, covalent networks)
Metallic bonding and metal properties (malleability, hardness, thermal conductivity etc)
Carbon allotropes and their properties (graphite, diamond etc)
Hydrocarbons and their properties (alkanes, alkenes, cyclic hydrocarbons etc)
Chemical Fundamentals - chemical reactions
Chemical formulae (nomenclature, symbology, reactions)
Reaction types - displacement, double displacement, precipitation, redox etc)
Stoichiometry
Energy transformations and observations
System entropy (phase differences, dissolution temperature effect, spontaneous (free energy) versus forced reactions)
Endothermic and exothermic reactions (Law of Conservation of Energy, bond transformations, thermochemical equations)
Fuels (fossil fuels, biofuels - combustion products, energy output etc)
Conservation of mass (moles, Avogadro's number, mass of products and reactants)
Molecular interactions and reactions - intermolecular forces and gases
Vapour pressure, melting and boiling points, solubility.
Molecular shape, VSEPR theory.
Polarity and electronegativity
Dispersion forces, dipole-dipole bonding and hydrogen bonding
Chromatography (composition and purity of substances)
Gaseous behavious (pressure, temperature, volume, Ideal Gas Law, kinetic theory)
Molecular interactions and reactions - aqueous solutions
Water (properties, boiling point, internal forces, density, phases, surface tension, solvent properties, molecular shape)
Concentration (solutes and solutions)
Acids and bases, titration, acid-base reactions
Solubility (inoic and molecular forces, intermolecular forces, temperature effect)
pH scale (acidity and alkalinity, concentration of H+ ions)
Molecular interactions and reactions - rates of chemical reactions
Equilibrium (gas phase equilibria, equilibrium constants, partial pressures)
Collision Theory - general concepts
Activation Energy
Enthalpy and energy profile diagrams - general concepts
Catalysts (enzymes, nanoparticles, reaction pathways etc)
Equilibrium, acids and redox reactions - Chemical Equilibrium Systems
Open and closed chemical systems
Reversible changes (physical changes versus chemical changes)
Position of equilibrium and equilibrium constants
Enthalpy changes of forward and reverse reactions
Le Chatelier's Principle
Types of acids (mnoprotic, dir-protic etc)
Bronsted-Lowry model
The pH scale and Kw H+ concentration
Acid/ base indicators
Equilibrium, acids and redox reactions - Oxidation and reduction
Loss and gain of electrons, electron trade (link to electron configuration and periodic table)
Electrode potentials and electrochemical cells (batteries, anodes and cathodes, half-reactions)
Galvanic and electrolytic cells
Structure, synthesis and design - organic materials
Functional groups - Structure, properties, and reactions (alkyl halides, alcohols, esters, epoxides, aldehydes, ketones, amines, carboxylic acids, and carboxylic acid derivatives)
Aromatic hydrocarbons (aromaticity, properties, reactions)
Advanced reaction mechanisms (free radical chain mechanism, electrophilic and nucleophilic substitution, acyl additions)
Properties of proteins, carbohydrates and synthetic polymers
Stereochemistry (isomers, Fischer projections, mass spectrometry, infrared spectroscopy and x-ray crystallography)
Structure, synthesis and design - chemical sythesis and design
Chemical synthesis (reaction pathways, reagents, reaction conditions, yield and purity)
Manufacture of polymers (addition and condensation reactions)
Esterification
Stereochemistry (isomers)
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