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Welcome to the Virtual HALC
Virtual HALC is an interdisciplinary tutorial service of the Hostos Academic Learning Center. The information contained in this website is compiled solely for non-profit educational purposes and adheres to the copyright principle of fair use. This site incorporates materials that may be protected by U.S. and foreign copyright law. The copyright for content on this website is held by the Hostos Academic Learning Center, except for material produced by other entities, where copyright ownership is indicated.

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Mathematics
Basic Math
Basic Math
Low Medium High
Integers

Low Medium High
Decimals

Low Medium High
Fractions

Low Medium High
Ratios and Percent

Low Medium High
Pre Algebra I
Pre-Algebra I
Low Medium High
Integer Exponents

Low Medium High
Prime Factorization

Low Medium High
Roots

Low Medium High
Expressing Roots with Fractional Exponents
Low Medium High
Inequalities

Low Medium High
Pre Algebra II
Pre Algebra II
Low Medium High
Combining Terms

Low Medium High
Graphing

Low Medium High
Plotting Two Lines on the same Graph
Low Medium High
Graphing Linear Inequalities

Low Medium High
Algebra I
Algebra I
Low Medium High
What is Algebra

Low Medium High
Linear Equations

Low Medium High
Functions

Low Medium High
Algebra II
Algebra II
Low Medium High
Introduction to Quadratic Equation

Low Medium High
Quadratic Root and Factors

Low Medium High
Polynomials

Low Medium High
Geometry I
Geometry I
Low Medium High
Geometry Basics

Low Medium High
Angles

Low Medium High
World of Triangles

Low Medium High
Geometry II
Geometry II
Low Medium High
The Real World: Quadrilaterals and Other Polygons

Low Medium High
Similarities Between Triangles

Low Medium High
Units, Perimeter, Circumference, Area, Surface Area, and Volume

Low Medium High
Calculus I
Calculus I
Low Medium High
Graph and Functions Review
Low Medium High
Limits
Low Medium High
Left and Right Hand Limits
Low Medium High
Limits Involving Infinity
Low Medium High
Derivatives
Low Medium High
Useful Rules
Low Medium High
Higher Rules Derivatives
Low Medium High
The Chain Rule
Low Medium High
Calculus II
Calculus II
Low Medium High
Formula Review
Low Medium High
Applications of the Derivatives: Critical Points
Low Medium High
Increasing or Decreasing Functions
Low Medium High
First Derivative Test for Local Extrema
Low Medium High
Second Derivative Test for Local Extrema
Low Medium High
Concavity
Low Medium High
Integration Rules
Low Medium High
The Definite Integral
Low Medium High
The Fundamental Theorem of Calculus
Low Medium High
English
English Grammar I
Grammar I
Low Medium High
What is Grammar
Low Medium High
Nouns

Low Medium High
Pronouns

Low Medium High
Adjectives
Low Medium High
What is a Verb
Low Medium High
Verb Tenses

Low Medium High
Verbals

Low Medium High
Adverbs, Prepositions, Conjunctions, and Interjections
Low Medium High
Sentences

Low Medium High
English Grammar II
Grammar II
Low Medium High
Review

Low Medium High
Agreements

Low Medium High
Sentence Problems

Low Medium High
Finding Clarity

Low Medium High
Acceptable Errors

Low Medium High
English Punctuation I
Punctuation I
Low Medium High
English Punctuation II
Punctuation II
Low Medium High
Writing Basics
Writing Basics
Low Medium High
Effective Writing
Effective Writing
Low Medium High
Public Speaking
Public Speaking
Low Medium High
Languages
Basic Spanish
Basic Spanish
Low Medium High
Advanced Spanish
Advanced Spanish
Low Medium High
Basic French Conversations
Basic French Conversations
Low Medium High
Basic French I
Basic French I
Low Medium High
Basic French II
Basic French II
Low Medium High
Basic Italian I
Basic Italian I
Low Medium High
Basic Italian II
Basic Italian II
Low Medium High
Science
Biology
Biology
Low Medium High
Chemistry I
Chemistry I
Low Medium High
Chemistry II
Chemistry II
Low Medium High
Chemistry III
Chemistry III
Low Medium High
Physics I
Physics I
Low Medium High
Physics II
Physics II
Low Medium High
Origins
Back To The Beginning
Back To The Beginning
Low Medium High
Earth Is Born
Earth Is Born
Low Medium High
How Life Began
How Life Began
Low Medium High
Where Are The Aliens
Where Are The Aliens
Low Medium High
Astronomy
Astronomy I
Astronomy I

Low Medium High
Astronomy II
Astronomy II
Low Medium High
American Government
American Government I
American Government I
Low Medium High
American Government II
American Government II
Low Medium High
Geography
Africa
Africa
Low Medium High
Europe And Russia
Europe And Russia
Low Medium High
North America
North America
Low Medium High
What Is Geography
What Is Geography
Low Medium High
Anatomy
Breath of Life
Breath of Life
Low Medium High
Defend and Repair
Defend and Repair
Low Medium High
Glands and Hormones
Glands and Hormones
Low Medium High
In The Womb
In The Womb
Low Medium High
Muscle and Bone
Muscle and Bone
Low Medium High
Now Hear This
Now Hear This
Low Medium High
Sex
Sex
Low Medium High
Skin
Skin
Low Medium High
Taste and Smell
Taste and Smell
Low Medium High
The Brain
The Brain
Low Medium High
The Food Machine
The Food Machine
Low Medium High
The Human Pump
The Human Pump
Low Medium High
Visual Reality
Visual Reality
Low Medium High
Medical Terminology
Medical Terminology I
Medical Terminology I
Low Medium High
Medical Terminology II
Medical Terminology II
Low Medium High
Medical Terminology III
Medical Terminology III
Low Medium High
Medical Terminology IV
Medical Terminology IV
Low Medium High
Radiographic Anatomy
Unit 4
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