Tinoco Universe — It Is Study
All 50 study guides
Tinoco Universe is a free learning app built like a game board: read the lessons, then let the board test whether the knowledge stuck. Every study below is live in the app right now — nursing entrance and licensure, the trades, college and graduate subjects, arts, music, and language. Pick your road and open it in the app.
Study guides for: NCLEX-RN · TEAS · HESI A2 · CNA · CompTIA A+ · CDL · real estate license · electrician journeyman — and everything else on this page.
Healthcare & nursing — study guides
Nursing: NCLEX-RN Prep — study guide
NCLEX prep is clinical judgment under time pressure: the pharmacology you must not mix up, the deteriorating patient you must catch, the fundamentals that structure every action, children's…
Nursing Entrance: TEAS Prep — study guide
TEAS prep guards the front door of nursing school: the ATI TEAS — the Test of Essential Academic Skills — is the entrance exam nursing and health-science programs use to decide who gets a seat,…
Nursing Entrance: HESI A2 Prep — study guide
HESI A2 prep guards a second front door into nursing school: the Health Education Systems Admission Assessment is the entrance exam many nursing and allied-health programs use instead of — or…
CNA Prep (Texas Nurse Aide) — study guide
CNA prep is the ground floor of hands-on healthcare: in Texas, nurse aides earn their place on the state registry by passing the nurse aide competency evaluation — clinical skills performed in…
Medical Assistant (CCMA) Prep — study guide
Medical Assistant prep trains the most two-sided job in the clinic: the CCMA — the Certified Clinical Medical Assistant credential — certifies someone who can room a patient, record vitals, run an…
Phlebotomy Technician Prep — study guide
Phlebotomy prep trains a small job done perfectly: the phlebotomy technician's needle is where diagnosis begins, and most lab results — and most decisions built on them — start with a tube filled…
Pharmacy Technician (PTCB) — study guide
The PTCB exam tests whether a pharmacy can trust you: drug classes and what they treat, the federal law around controlled substances, the Latin shorthand of prescriptions, sterile compounding…
Medical Billing and Coding — study guide
Medical Billing and Coding is the translation desk of healthcare: what the provider did, and why, becomes codes; the codes become a claim; and the claim becomes the payment that keeps the lights on.
Physical Therapist Assistant — study guide
Physical Therapist Assistant is a study of hands-on care: the body the PTA treats, the movement they measure, the conditions they see every week, and the treatment day they run under a physical therapist's plan of care.
Human Services — study guide
Human Services is the work of walking with people through hard seasons: the helper's craft on one side — listening, development, a plan built together — and the system around the person on the…
Food Handler Safety — study guide
Food handler safety is applied microbiology with an apron on: temperatures that starve bacteria, habits that keep germs from hitching rides, and storage rules that respect time.
Trades & licenses — study guides
Electrician: Journeyman Exam — study guide
The journeyman exam is the National Electrical Code made personal: where receptacles must go, how wire is run and protected, how motors are fed, why grounding saves lives, and the math and safety…
HVAC Basics — study guide
HVAC is one machine with four jobs: heat the air, cool it, move it cleanly, and control it all — powered by a refrigeration cycle and a toolbox of very specific instruments.
Plumbing Basics — study guide
Plumbing is two systems in one house: pressurized water coming in clean, and gravity taking it away dirty — joined by fixtures, tools, vents, and a code that exists because water finds every mistake.
Welding Basics — study guide
Welding joins metal with heat, and everything about the trade serves that moment: the processes that make the arc, the safety that makes it survivable, the equipment, the metals' behavior, and the…
Carpentry Basics — study guide
Carpentry is measured in sixteenths and judged in decades: the hand tools, the power tools, the lumber itself, the joints that hold it together, and the layout habits that make cuts land where they should.
Auto Mechanic Basics — study guide
A car is four conversations at once: an engine making power, electricity waking it up, brakes arguing it to a stop, and a drivetrain delivering the power to the road.
Mechatronics — study guide
Mechatronics is where mechanical machines learned to think: motors and gears joined with sensors, electronics, and programmable control — the blend that runs today's factories, robots, and smart machines.
Barbering Basics — study guide
Barbering is craft plus law: the tools in your hand, the language of cuts clients ask for, the services that fill the chair — and sanitation rules a state board enforces whether you feel like following them or not.
Cosmetology State License — study guide
The cosmetology licensing exam weighs two things equally: the craft — hair, skin, nails, and the chemistry that changes them — and the sanitation law that keeps clients safe.
CDL Trucking License — study guide
The CDL exam tests whether you can move forty tons without hurting anyone: road rules and space management, the air brake system that stops the rig, the physics of combination vehicles, hazmat…
Real Estate License Exam — study guide
The real estate exam is property law in working clothes: how ownership is held, how contracts and agency bind people, how money is lent against homes, how value is estimated, and the fair-housing…
Real Estate Renewal (Texas CE) — study guide
Renewal is the state asking a simple question: are you still current? This study walks the Texas renewal landscape the way Legal Update does — the 18 CE hours and how they divide, the rules and…
School & college — study guides
College Algebra — study guide
College Algebra is a toolbox, not a trivia set: solving equations, reading graphs, factoring, taming exponents, and untangling systems.
Biology 101 — study guide
Biology 101 is the college ground floor: the cell, the gene, evolution, ecosystems, and the human body.
Basic Science — study guide
Basic Science is the ground floor of five subjects: living things, matter, motion and energy, the Earth, and your own body.
Psychology 101 — study guide
Psychology 101 surveys the science of mind and behavior: how studies are designed, how learning and memory work, how people develop across a lifespan, what goes wrong in disorders, and how the…
English Composition — study guide
English Composition is the craft of being understood: the parts words play, the sentences they build, the punctuation that steers them, the styles writing wears, and the figures of speech that make it memorable.
American Civics — study guide
American Civics is the owner's manual for the United States: where power comes from, how it is divided, what rights you hold, and how ordinary people steer the whole machine.
U.S. History Survey — study guide
A survey of U.S. history in five movements: colonization and revolution, the constitutional founding, civil war and rebuilding, America's emergence as a world power, and the unfinished work of…
French Quarter History — study guide
French Quarter History is the biography of one small grid of streets: drawn by the French in 1718, burned and rebuilt in brick by the Spanish, bought by the United States in 1803, gilded with iron lace…
World Geography — study guide
World Geography is the planet's filing system: continents and countries, the capitals that govern them, the rivers and oceans that shape them, the mountains and deserts that divide them, and the…
Financial Literacy — study guide
Financial Literacy is the owner's manual for your own money: budgeting what comes in, surviving credit, growing savings, using banks well, and understanding the tax system that touches every paycheck.
Business Basics — study guide
Business Basics follows one arc: how a business is owned, how it finds customers, how its money reads, how it runs day to day, and how new ones get started.
Hospitality Management — study guide
Hospitality Management is the study of welcoming strangers for a living — the industry that turns rooms, meals, and moments into a business.
Early Childhood Education — study guide
Early Childhood Education is the study of how children grow and learn from birth to five — and how the adults around them shape that learning.
Graduate & professional — study guides
Master's Psychology — study guide
Master's-level psychology goes deeper than the survey: statistics that can support or sink a claim, the cognitive machinery of attention and memory, development across the lifespan, personality…
Master's Library Science — study guide
Library science at the master's level is a profession with a philosophy: intellectual freedom and privacy as ethics, cataloging as applied language, reference as teaching, collections as…
Criminology — study guide
Criminology asks why crime happens, how we count it, what the justice system does about it, who it harms, and what responses actually work.
Forensic Psychology — study guide
Forensic Psychology is where the mind meets the law: is this defendant able to stand trial? What did that witness actually see? How dangerous is this person — honestly, in numbers?…
CompTIA A+ Certification — study guide
CompTIA A+ is the working IT technician's license to touch everything: hardware, networks, operating systems, security, and a troubleshooting method that ties them together.
Arts, music & language — study guides
Drawing Foundations — study guide
AI is really good at art — but want to learn/progress your art anyways? A machine can make a picture, but it can't learn for you — the eye, the hand, and the judgment are yours to grow.
Color & Painting — study guide
AI is really good at art — but want to learn/progress your art anyways? A machine can make a picture, but it can't learn for you — it can't mix a hundred wrong greens until your eye knows the right one.
Art History Essentials — study guide
AI is really good at art — but want to learn/progress your art anyways? A machine can make a picture, but it can't learn for you — it can't stand where you stand in front of a painting and feel…
Comics & Illustration Craft — study guide
AI is really good at art — but want to learn/progress your art anyways? A machine can make a picture, but it can't learn for you — it can't feel the exact panel where a reader's heart speeds up.
Music Theory — study guide
Music Theory is the map of how music works: how notes are written, how scales and chords are built, and why a song feels like it lands where it should.
Music Production — study guide
Music Production is the whole journey of a record: the idea in your head, the session in the DAW, the take, the mix, the master, the release.
Creative Writing Media — study guide
Creative Writing Media is one craft wearing two hats: the writing itself — structure, character, dialogue, and the merciless second look — and the media it travels through: screens, speakers, and…
Hebrew Language — study guide
Hebrew Language opens one of the world's oldest living tongues: the aleph-bet and its final forms, the everyday words and greetings of modern Israel, counting, and the three-letter roots that grow…
Just for fun
League of Legends Trivia — study guide
League trivia is the game's own knowledge check: the champions and their roles, the Rift's objectives and tempo, the items and gold economy, the world of Runeterra behind it all, and the pro stage…