Changelog

Updates, new content, and improvements to Study Vault.

21 May 2026

The Physics Update

NewFull CSEC Physics syllabus added — 29 posts covering every section
NewSection A — Mechanics: Measurement and Units, Scalars and Vectors, Statics Forces and Moments, Motion and Dynamics, Energy Work and Power, Hydrostatics
NewSection B — Thermal Physics: Thermal Physics and Kinetic Theory, Gas Laws, Specific Heat and Latent Heat, Heat Transfer
NewSection C — Waves and Optics: Waves, Sound, Electromagnetic Spectrum, Light Reflection and Mirrors, Refraction and Total Internal Reflection, Lenses
NewSection D — Electricity and Magnetism: Electrostatics, Current Electricity, Electric Circuits, Electrical Power and Energy, Domestic Electricity, AC and DC, Electronics, Magnetism, Electromagnetism
NewSection E — Physics of the Atom: Atomic Models and Structure, Radioactivity, Nuclear Energy
NewPhysics Exam Breakdown page added

17 May 2026

Additional Mathematics Update

NewFull CSEC Additional Mathematics syllabus added — 13 posts covering every section
NewAlgebra: Polynomials, Quadratics, Inequalities, Surds, Indices and Logarithms
NewRelations, Functions and Graphs: Coordinate Geometry and Vectors
NewAlgebra and Calculus: Sequences and Series, Trigonometry, Differentiation, Integration, and Kinematics
NewStatistics and Probability: all measures of central tendency, spread, diagrams, and probability rules
NewAdditional Mathematics Exam Breakdown page added

15 May 2026

The Chemistry Update

NewFull CSEC Chemistry syllabus added — 25 posts covering every section
NewPrinciples of Chemistry: States of Matter, Mixtures and Separation, Atomic Structure, Periodic Table and Periodicity, Structure and Bonding, Mole Concept, and Oxidation and Reduction
NewReactions & Rates: Electrochemistry, Energetics, and Rates of Reaction
NewAcids, Bases & Analysis: Acids and Bases, Salts and Titration, and Qualitative Analysis
NewInorganic Chemistry: Metals Properties and Reactivity, Metals Extraction and Alloys, Non-Metals and Gas Preparation, Water Chemistry, and Air Pollution and Environment
NewOrganic Chemistry: Petroleum and Cracking, Homologous Series and Naming, Alkanes and Alkenes, Alcohols and Carboxylic Acids, Polymers, and Kekule Structure Samples
NewChemistry Exam Breakdown page added

13 May 2026

Biology Exam Coverage Patch

ImprovedBiology notes audited against CSEC Biology May/June Paper 02 questions from 2016-2025 to catch exam-tested details that were missing or too thin
ImprovedCells and Cell Transport: added microscopy and biological drawing guidance, electron microscope recognition, and bacterial-cell features used in past-paper questions
ImprovedHuman Nutrition and Digestion: added enzyme investigation guidance for temperature and pH experiments, including controls, precautions, graph interpretation, and denaturation
ImprovedPlant Reproduction and Growth: added germination sequence, seed food-store graph interpretation, and common factors affecting germination
ImprovedHuman Reproduction: added menstrual-cycle hormone graph guidance, pregnancy/corpus luteum scenarios, ovary-removal implications, and contraception-by-stage exam tips
ImprovedCell Division, Chromosomes, and DNA: expanded Meiosis I stage detail after past papers explicitly tested prophase I, anaphase I, and telophase I
ImprovedTransport in Plants: added potometer/transpiration investigation procedure and precautions, plus plant storage substances beyond starch and sugar
ImprovedCoordination and Response: added Daphnia/artificial-light application for invertebrate-response questions and optional auxin context in a clearly marked Info box
ImprovedCoordination and Response: expanded drug-abuse notes with reasons young people may abuse drugs, measures to reduce abuse, and diet-pill/body-image exam context
ImprovedNutrition in Plants and Respiration and Gas Exchange: added calcium in plants and intercostal-muscle detail that appeared in recent exam-style questions
ImprovedStudy Vault AI knowledge base: added high-level CSEC Biology Paper 02 markdowns from 2016-2025 under Biology knowledge, alongside the exam-priority audit for retrieval

11 May 2026

Poetry Annotation Fortification

ImprovedThis Is the Dark Time, My Love: red flowers annotation expanded with romantic gift reading — invasion poisons private love as well as public life
ImprovedThis Is the Dark Time, My Love: strained and anxious annotation expanded — strained as worn to limits; men's fear for families; collective suffering across entire visible population
ImprovedThis Is the Dark Time, My Love: dark night time annotation expanded — tracks shift from 'dark time' to 'dark night time' as deepening of oppression across the poem
ImprovedThis Is the Dark Time, My Love: boot of steel / slender grass annotation expanded — grass as Guyana's growth crushed before it develops; 'tramps' as repeated grinding action

11 May 2026

Techniques Sections

NewDramatic Techniques section added to Anansi overview — stage directions, lighting, costume, prop, juxtaposition, dramatic irony, situational irony, aside, soliloquy, and foil with specific play examples
NewDramatic Techniques section added to Twelfth Night overview — all ten techniques with specific scene and line references
NewNarrative Techniques section added to Animal Farm overview — rhetoric, allegory, juxtaposition, foil, and situational irony with specific chapter examples
NewNarrative Techniques section added to For the Life of Laetitia overview — rhetoric, allegory, juxtaposition, foil, and situational irony with specific scene examples
ImprovedAnansi Dramatic Techniques rewritten to replace 'at a Glance' section with fuller analysis

11 May 2026

For the Life of Laetitia

NewFTLOL overview page — context, key relationships table, themes, Hodge's method, and Paper 02 guidance
New7 FTLOL chapter summary posts covering the full novel (Chapters 1–5 through 31–End), each with summary, analysis, and themes
NewFTLOL character post for Laetitia
NewProse Fiction work tabs component — tabbed navigation between Animal Farm and FTLOL on the chapter summary and character analysis pages
ImprovedAnimal Farm overview added as standalone link on the English Literature subject page
ImprovedFTLOL overview added as standalone link below Animal Farm on the English Literature subject page

10 May 2026

Twelfth Night

New11 individual Twelfth Night character posts — Viola, Orsino, Olivia, Malvolio, Feste, Sir Toby, Maria, Sir Andrew, Fabian, Sebastian, Antonio — each with arc, key quotes table, dramatic techniques, thematic significance, exam tip, and flashcards
New18 Twelfth Night scene summaries covering every scene across all 5 acts, with character chips, summary, analysis, and themes
NewCharacter chips component — coloured rounded tags showing which characters appear in each scene, consistent colour per character across all files
ImprovedAnansi scene files updated with character chips above each summary
ImprovedReduced vertical padding on mobile across the main page, subject page, and post page layouts
Fixed8 accuracy errors corrected across new posts: misattributed As You Like It quote removed from Feste; invented 'foolish Greek' line removed; 'more sharp than filed steel' corrected to its actual scene (3.3 not 2.1); Fabian removed from 2.3 summary where he does not appear; 'three months' detail moved to its correct scene (5.1); 'Campbell's reading' carryover from Anansi posts removed; Sebastian betrothal wording corrected; misattributed Sir Toby line reassigned in Fabian post

10 May 2026

Poetry Expansion

NewThemes Analysis page — cross-poem breakdown of every major theme with poem-by-poem connections for comparative essays
NewPoetry Essay section added to the Guide to Literature Essays — 35-mark scheme, 2-1-2 structure, 5-paragraph format, conventions, and a sample introduction
ImprovedSouth: colonial resonance of 'recapture'; 'saltless', 'stoniest cities', 'shadows oppress me', 'cunning declension' developed; oxymoron in 'processioned in tumult'; biography separated
ImprovedMirror: 'eye of a little god' limitation; moon/lunatic etymology; Narcissus and Jonah allusions; equal stanzas as mirror-image form; biography added
ImprovedLittle Boy Crying: animal imagery thread; 'three year old frustration' dual meaning; 'angling' as water imagery; sibilance pattern identified
ImprovedMy Parents: title triple reading; 'kept' as against speaker's will; 'road' as life metaphor; 'they never smiled' ambiguity; biography separated
ImprovedOl' Higue: Creole dialect noted; 'burning myself out' pun; black pudding as gustatory imagery; 'murder inside your head' linked to postpartum depression; context added
ImprovedOnce Upon a Time: 'teeth' diction; pronoun shift from stanza 4; 'heart' repetition tracking accumulated heartlessness; snake/Eden allusion; biography separated
ImprovedTest Match Sabina Park: 'bravely' as sarcasm; dialect breakdown mirroring English pride breaking; tables-turned animal imagery; biography separated
ImprovedLandscape Painter, Jamaica: 'climbing' personification; p-alliteration; 'aloof', 'poised', 'artlessly' multiple meanings developed; Huie biography expanded
ImprovedThe Woman Speaks: title as monologue; 'metallic tide' foreshadowing; biblical allusions; partner scheme explained; Absalom reference; biography separated
ImprovedThis Is the Dark Time: seasonal implication of 'dark time'; beetle imagery; Guyanese flag colours; double oxymorons; Carter biography expanded
ImprovedWest Indies USA: title as address implying ownership; 'takes the pot' diction; Puerto Rico annexation history added; biography separated
ImprovedIt Is the Constant Image of Your Face: Robben Island detail added; biography expanded
ImprovedGuide to Literature Essays poetry section reformatted with consistent bold-term bullet style throughout

9 May 2026

The Biology Update

NewComplete CSEC Biology syllabus coverage — Section B now fully written: Cells and Cell Transport, Nutrition in Plants, Human Nutrition and Digestion, Respiration and Gas Exchange, Transport in Humans, Transport in Plants, Excretion and Homeostasis, Movement and Support, Coordination and Response, Human Reproduction, Plant Reproduction and Growth, and Disease and Immunity
NewCell Division post added covering DNA, chromosomes, mitosis, and meiosis with stage diagrams sourced from Wikimedia Commons
NewMitosis and meiosis stage diagrams embedded (Wikimedia Commons), with a note contextualising Prometaphase for CSEC scope
NewKidney cross-section and nephron structure diagrams added with full DiagramKey labels
NewMale reproductive system diagram added with DiagramKey labels
NewTooth anatomy diagram replaced with a labelled DiagramKey
ImprovedTransport in Humans and Plants split into two separate posts — Transport in Humans (circulation, blood, immunity) and Transport in Plants (xylem, phloem, transpiration, storage)
ImprovedHuman Reproduction and Plant Reproduction and Growth separated from the combined growth post
ImprovedCoordination and Response: auxin mechanism detail removed (not required by CSEC syllabus)
ImprovedExcretion and Homeostasis: positive and negative feedback section removed (not explicitly required by CSEC syllabus)
ImprovedVariation post: all tables given titles above them for easier parsing; back-to-back genetic engineering tables now clearly labelled Applications and Concerns
ImprovedFlashcards page redesigned — subject filter chips, collapsible subject sections with coloured accent headers, per-set status breakdown (new / learning / mastered) with a segmented bar, and a due CTA banner with forecast (+N due tomorrow · +N due this week)
ImprovedMermaid diagrams on mobile automatically switch from left-to-right to top-to-bottom layout
ImprovedPDF export now supports DiagramKey components, Mermaid diagrams (rendered as PNG via mermaid.ink), embedded images, and flashcard sets as practice cards
ImprovedSyllabus PDF viewer uses Google Docs viewer on mobile to prevent download instead of inline view
ImprovedDiagramKey caption moved below the image; top corners rounded, bottom corners square to connect cleanly to the label table
ImprovedOG images generated dynamically per post and subject page via /api/og edge route — dark background, subject colour accent, Study Vault logo
ImprovedPost pages now include keywords metadata from post tags for improved SEO
FixedDiagramKey image border-radius override now correctly applied — bottom corners no longer rounded by the global prose image style

6 May 2026

Math Update

NewFull CSEC Mathematics syllabus added — 37 posts covering every section
NewAlgebra: expressions, factorisation, linear and simultaneous equations, inequalities, quadratics, variation, and identities
NewNumber Theory: number sets, sequences, factors and multiples, HCF/LCM, and number bases
NewComputation: number types, arithmetic, fractions, percentages, ratios, scientific notation, and rounding
NewConsumer Arithmetic: profit and loss, simple and compound interest, exchange rates, hire purchase, taxes, and wages
NewSets: notation, operations, Venn diagrams, and problem solving
NewRelations, Functions & Graphs: relations, functions, linear graphs, inequalities, composite and inverse functions, and linear programming
NewMeasurement: perimeter, area, sectors, surface area, volume, speed, maps, and unit conversion
NewGeometry & Trigonometry: angles, polygons, congruence, transformations, Pythagoras, trig ratios, sine and cosine rules, bearings, and circle theorems
NewStatistics: data types, frequency tables, diagrams, averages, spread, ogives, and probability
NewVectors & Matrices: vector operations, matrix arithmetic, determinants, inverses, and transformation matrices
NewAnimated diagrams embedded throughout using JSXGraph and Manim-rendered videos

6 May 2026

Math Update Fixes

FixedFixed the graphical simultaneous equations animation so the plotted lines meet at the clean point (2, 3)
FixedFixed the probability sample-space notation that caused the statistics probability page to crash

5 May 2026

Poetry theme overview redesign & mobile header cleanup

NewAll tab on the poetry theme overview showing all 20 poems grouped by set with coloured section headers
NewChangelog page
ImprovedEnglish Literature subject page redesigned with dedicated Drama, Prose Fiction, and Poetry sections and sub-category pages
ImprovedPoetry theme overview completely redesigned with poem rows, coloured left-border accents, and pill tags replacing the old card grid
ImprovedMobile header simplified to search and menu icons only, with auth and theme selector moved into the nav sheet
ImprovedHeader icons enlarged with circle borders removed for a cleaner look
FixedTheme breakdown row and group header padding now consistent throughout