Step Down

Industry Grade DC 24V To DC 12V 5A Step Down Converter AU
Industry Grade DC 24V To DC 12V 5A Step Down Converter AU
Paypal   US $12.93
DC DC Step Down Converter In4 40V Out15 35V With Wires AU
DC DC Step Down Converter In4 40V Out15 35V With Wires AU
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8pcs MP2307 DC DC step down power supply module 3A
8pcs MP2307 DC DC step down power supply module 3A
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60W Car DC 24V to DC 12V Step Down Converter Inverter
60W Car DC 24V to DC 12V Step Down Converter Inverter
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10pcs MP2307 DC DC step down power supply module 3A
10pcs MP2307 DC DC step down power supply module 3A
Paypal   US $2.25
2pcs 100 New LM2596 DC DC Step down Adjustable Power Supply Module
2pcs 100 New LM2596 DC DC Step down Adjustable Power Supply Module
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laptop power Seven Star Step Down Transformers
laptop power Seven Star Step Down Transformers
Paypal   US $29.99
TRAMAG MODEL 753 750 WATT STEP DOWN ISOLATION TRANSFORMER 220V EUROPEAN TO 120V
TRAMAG MODEL 753 750 WATT STEP DOWN ISOLATION TRANSFORMER 220V EUROPEAN TO 120V
Paypal   US $40.00
APC SUTF2 Step Down Transformer 208V w Batteries WORKING FREE SHIPPING
APC SUTF2 Step Down Transformer 208V w Batteries WORKING FREE SHIPPING
Paypal   US $151.52
Step2 Up Down Roller Coaster Local Pick Up Only
Step2 Up Down Roller Coaster Local Pick Up Only
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230 to 115 VOLT STEP DOWN TRANSFORMER
230 to 115 VOLT STEP DOWN TRANSFORMER
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LM2596S DC to DC Step Down Adjustable Power Supply Module 5 35V to 125 V 30V
LM2596S DC to DC Step Down Adjustable Power Supply Module 5 35V to 125 V 30V
Paypal   US $.99
Bicycle Cable Ferrules Stepdown Derailleur Pair
Bicycle Cable Ferrules Stepdown Derailleur Pair
Paypal   US $3.75
Vintage Series VII 7 to 49mm Step Down Lens Adapter VERY RARE
Vintage Series VII 7 to 49mm Step Down Lens Adapter VERY RARE
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EASY COMPUTING FOR SENIORS A STEP BY STEP HANDBOOK FROM START UP TO SHUT DOWN
EASY COMPUTING FOR SENIORS A STEP BY STEP HANDBOOK FROM START UP TO SHUT DOWN
Paypal   US $2.95
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Step Down

There is two types of transformers in the market- linear transformer and switch mode power transformer. The transformers design is different. Sometimes it is just referred as ac transformer. Linear transformer mostly used in radio, project kits, VCD and etc while switch mode transformer can be found in Monitor, Tv, Fax and so on.

A transformer consists of two or more coils wound on the same core. For power transformers, the core material is usually iron. For a radio-frequency transformer, the core material is usually ferrite or air. The basic property of a transformer is to change AC voltage. A transformer cannot change direct current voltage. A step down transformer has a lower AC output voltage at its secondary winding than the AC input voltage to its primary winding. Conversely, a step up transformer has a higher secondary than primary voltage. The transformer laminations or coating of shellac, enamel or varnish is to insulate adjacent turns from shorts between winding. I will not go too details about how transformer work and transformer calculation as you can read more details from most electrical and electronic transformers books.

How to test transformers: Transformer failures are relatively rare in most electronic equipment, compared with other components. If too much current goes through a coil or winding, the winding heats up and can either open up completely, or the insulation between turns of wire can break down, causing the coil to be partly or completely shorted.

Just like a coil, you can check continuity of any primary or secondary transformer winding. The actual value of DC resistance you read is rather meaningless, but at least you will know whether a winding is open. Checking linear transformer is quite straight forward. Apply the ac voltage to the primary winding and expect output voltage at the secondary side. No or low output voltage means the transformer winding has open or shorted winding. Look for any evidence of overheating, such as darkened or blackened areas or a burnt smell.

About how to test a power transformer-it is a little bit complicated. You cannot apply ac voltage to the equipment and expect the desire output at the secondary side without connect to load otherwise over voltage will happen (because you have removed all the secondary load) and will blow the power section which consist of power fet, pwm ic and etc. Switch mode power supply are designed to run with load while linear transformer can be test without load.

The best way to test a switch mode power transformer is first remove it from the board. Check only the primary winding as secondary winding failures are exceedingly rare. How do we know which one is the primary winding? Trace from the big filter cap the positive pin to see where the circuit goes. It will go to one of the pin of the transformer. Then look for the power fet middle pin which is the Drain and it will lead to another pin of the transformer. This two pins is the primary winding of the transformer. Checking the resistance of the primary winding only can reveal whether it is open but it cannot check if it has developed a shorted winding. Only by using a ringer test you will know if it shorted or not. A shorted turn in the primary winding can cause the power section to blow.

The cheapest ringer tester that i came across is Dick Smith LOPT METER or flyback tester. Just connect the probes to the primary winding and the result are instantly seen from the Led bar graph. 4-8 bar represent a good winding, 1-2 bar represent partial short and if the led goes off means there is a heavy short in the winding. Besides checking the transformer it can be use to check B+ COIL, horizontal yoke coil and flyback primary winding and ballast (choke).

The expensive ringer tester is from sencore equipment. Sencore LC102 and LC103C besides checking capacitor it also have the capability to check all kind of winding. Whether it is a low voltage transformer, high voltage transformer, current transformer, pulse transformer, electric transformer, custom transformer this equipment will be able to check and test it.

If you do not wish to invest on this tester you may use a light bulb to check it. Remove one of the primary winding pin and connect a 60 watt light bulb. One end to the circuit while the other to the transformer pin. If the bulb light and didn't goes off suspect a shorted winding and if the light goes off, the winding is ok.

Transformer repair is not easy and it require a good skill to do it. Most of the transformer repairer preferred to rewind bigger winding such as fan, car alternator and starter. Switch mode power transformer is a little bit difficult to rewind because of the small size and low price.

Jestine Yong is a electronic repairer and a writer. For more information about how you can test electronic components like a professional please visit his website at http://www.testingelectroniccomponents.com

Prodyne TW-9-W Pewter Tablecloth Weights, Garden Dwellers , Set of 4 Prodyne TW-9-W Pewter Tablecloth Weights, Garden Dwellers , Set of 4
List Price: $10.99
Sale Price: $9.15

Our attractive and functional tablecloth weights are a must for all outdoor entertaining. Made from solid heavyweight pewter, simply clip the weights around the bottom of your tablecloth to keep it from blowing in the wind.

Texas Flood Texas Flood
List Price: $7.99
Sale Price: $4.38
Used From: $2.50

No Description Available.Genre: Popular MusicMedia Format: Compact DiskRating: Release Date: 23-MAR-1999

In Rainbows In Rainbows
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Sale Price: $7.58
Used From: $5.65

Track Listing: 1. 15 Step 2. Bodysnatchers 3. Nude 4. Weird Fishes/Arpeggi 5. All I Need 6. Faust Arp 7. Reckoner 8. House Of Cards 9. Jigsaw Falling Into Place 10. Videotape

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Tae-Bo Workout (SET OF 4: Basic, Instructional, Advanced, 8-minute Workout) [VHS] Tae-Bo Workout (SET OF 4: Basic, Instructional, Advanced, 8-minute Workout) [VHS]
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Billed as the "future of fitness" and hawked by numerous celebrities, Billy Blanks's Tae-Bo actually deserves much of the hype it's receiving. A mixture of boxing punches and martial arts kicks, Tae-Bo is fun and easy...

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Guaranteed to work or your money back - PLEASE NOTE ALL MONIES FROM THIS SALE GO TO A 501 (C)3 NO KILL ANIMAL SHELTER

Crunch Fat Blaster: The Next Step [VHS] Crunch Fat Blaster: The Next Step [VHS]
List Price: $9.99
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"Challenge yourself!" male instructor Kendell Hogan calls out after a long set of "power jacks" near the end of the workout. This 30-minute, intermediate step routine from Crunch is vigorous and motivating, with dynamic music and a live drummer...


07-2400212 Step Down Transformer


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Step Down Transformer

Be Careful Step Down Sign


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Be careful step down signs warn employees of tripping hazards and decrease liability. Wording -BE CAREFUL STEP DOWN Color - Black / Green / White Language - English Material - Aluminum, Steel, Plastic, Foam Adhesive, Adhesive Vinyl, Magnetic, Plastic 3-Way, Plastic 2-Way Size - 7" x 10", 10" x 14", 14" x 20" Lifetime Guarantee available with optional Duroshield Topcoat

Jensen Step Down Transformer


Jensen Step Down Transformer


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Intimus Step-Down Auto Transformer for Automatic Oiler


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Conair / 85 Watt Step Down Transformer / TS185TR


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Samsung - 20VA Step Down Transformer


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Caution Step Down Glow Sign


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Caution step down glow sign informs individuals of a step. Sign is designed to safely guide individuals throughout a facility in the event of a power outage. Wording - CAUTION STEP DOWN Color - Black / White Language - English Material - Aluminum, Steel, Plastic, Foam Adhesive, Adhesive Vinyl, Magnetic, Plastic 3-Way, Plastic 2-Way Glow - Standard Glow or Super Glow Size- 7" x 10", 10" x 14" Lifetime Guarantee available with optional Duroshield Topcoat

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Step down pitcher's plate with traditional solid wood core and molded rubber cover Front extension prevents holes in front of plate and reduces mound maintenance No stakes or spikes required.

Bolco Step Down Pitch Rubber


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4 Step Easy Step


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Designed for sure-footing with a wider base and deeper steps, these pet stairs allow smaller dogs to get their entire body on each step, and large dogs to comfortably go up or down without having to "squeeze" on the stair. The innovative incline of each step eases stress on your pet. Carpet treads remove for cleaning; rubber grips protect floors and prevent slipping. Simple, snap-together assembly. Supports dogs up to 150 lbs. Colors: Two- and Three-Step—Sage, Chocolate or Tan; Four-Step—Chocolate or Tan (all with beige carpet treads). Two-Step: 22½"L x 16"W x 16"H. Three-Step: 25"L x 16"W x 23"H. Four-Step: 34"L x 16"W x 30½"H. Please Add $10 additional shipping. Sorry, no Express Delivery.

OSHA Caution Signs - Step Down


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Warn employees of hazardous situations for a safer workplace with OSHA Caution Signs. OSHA Caution Signs are used to indicate a hazardous situation that may result in minor or moderate injury OSHA Caution Signs should not be used when there is a possibility of death or serious injury or for property damage accidents unless personal injury risk is present Signs are available in flexible self-adhesive vinyl, rigid plastic or heavy-duty aluminum with 4 mounting holes Signs come in either 10"W x 7"H or 14"W x 10"H sizes Extend the life and performance of the sign by upgrading to Seton UltraTuff™ overlaminate Message reads "Step Down"

Conair Travel Smart TS185TR Step Down Transformer


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1 x Schuko 110 V AC 220 V AC 50 Hz 60 Hz 85 VA Conair Conair Corporation Schuko Step Down Transformer TS185TR Travel Smart Travel Smart TS185TR Step Down Transformer www.conair.com

King Ultimate Karo Step Down Comforter - Beige


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Step-Down Transformer transformer - 5000 VA


Step-Down Transformer transformer - 5000 VA


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The Step-Down Transformer converts high voltage (208 VAC) output into low voltage (120 VAC) output for powering low voltage AC equipment.

Conair - Travel Smart TS2000CK Step-Down Converter


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APC - Step-Down Rack-mountable Transformer


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110 V AC 12 x NEMA 5-20R 120 V AC Nominal 2 Year 208 V AC Nominal 24 A Input Current Line Current Per Phase 24 A Output Current Total Current Draw Per Phase 2U Rack-mountable 3.50" Height x 17.50" Width x 24" Depth 30 A Input Current Per Phase 5 kVA 95 lb Step-Down Rack-mountable Transformer Rack Mounting brackets User Manual Step-Down Rack-mountable Transformer are rack based designs and fit into any standard 19" rack. The product design is consistent with other APC products. AP9626 APC American Power Conversion Corp NEMA 5-20R NEMA L6-30P Step Down Converter Step-Down Step-Down Rack-mountable Transformer www.apc.com

APC - Step-Down Rack-mountable Transformer


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110 V AC 120 V AC Nominal 2 Year 20 A Output Current Total Current Draw Per Phase 208 V AC Nominal 26 A Input Current Per Phase 2U Rack-mountable 3.50" Height x 17.50" Width x 24" Depth 4 x NEMA L5-20R 5 kVA 95 lb Step-Down Rack-mountable Transformer Rack Mounting brackets User Manual Step-Down Rack-mountable Transformer are rack based designs and fit into any standard 19" rack. The product design is consistent with other APC products. AP9627 APC American Power Conversion Corp Hard Wire 3-wire NEMA L5-20R NEMA L6-30P Step Down Converter Step-Down Step-Down Rack-mountable Transformer www.apc.com

Easy Italian Step-by-Step


Easy Italian Step-by-Step


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Learn Italian step-by-step and soon you'll be making leaps and bounds. Your quickest route to learning Italian is through a solid grounding in grammar basics. Now don't be put off by the "G-word." What you won't find in this book is a lot of repetitive drills. Instead, you get an original, step-by-step approach to learning Italian based on the way people naturally acquire language. From the very beginning, you are introduced to the most essential structures--allowing you to communicate in Italian almost immediately. Gradually, through a series of interconnected "steps," you logically progress to more common concepts that govern how Italian is spoken and written. And along the way you are introduced to hundreds of carefully selected verbs and vocabulary words presented on the basis of how often they are used in everyday Italian. Guaranteed to get you quickly up and running with the knowledge and skills you need to communicate in Italian with confidence, Easy Italian Step-by-Step features: A unique "building-block" approach to mastering essential grammar, verbs, and vocabulary; Down-to-earth explanations of important rules and concepts; Hundreds of frequently used verbs and key terms a beginner should know; Exercises to test what you've learned and measure progress; Engaging readings that help you hone your skills in everyday contexts

Intercomp 260048 220V/50Hz Step Down Trans.-Plugged into 100544


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American Power Conversion / STEP DOWN TRANSFORMER 208V IN   / AP9627


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American Power Conversion / STEP DOWN TRANSFORMER 208V IN   / AP9626


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APC Isolation Step-Down Transformer 4800VA 170-280V 12-out 3U SURT003


APC Isolation Step-Down Transformer 4800VA 170-280V 12-out 3U SURT003


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Dominator Step


Dominator Step


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Protects Rear Of VehicleMain Bar Built High And TightDrop Down Steps w-Unique Aluminum Step PadsSpecific Brackets Makes For Easy InstallationPatented Step And Mounting System Best On MarketAdded Protection From Road DebrisNo Drilling Required On Most Models

Dominator Step


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Protects Rear Of VehicleMain Bar Built High And TightDrop Down Steps w-Unique Aluminum Step PadsSpecific Brackets Makes For Easy InstallationPatented Step And Mounting System Best On MarketAdded Protection From Road DebrisNo Drilling Required On Most Models

10W Step Down Adjustable Switching


10W Step Down Adjustable Switching


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Untitled DocumentProduct Description The DE-SWADJ is the adjustable version of our SW0XX step down voltage regulators.It is designed to be the easiest possible way to add an adjustable voltage source to a new or existing project with all the efficiency benefits of switch-mode power.The DE-SWADJ is pin-compatible with the common 78XX family of linear voltage regulators, and has a small screw on top that allows you change the output voltage as your project evolves.It has integrated decoupling capacitors, so external capacitors are not generally necessary.DE-SWADJ can deliver a maximum of 10 Watts. The screw potentiometer on DE-SWADJ is worm-gear driven, so small vibrations and movement will not cause the voltage to shift. Use of glue to hold the screw in place is strongly discouraged and could damage the device. Product Specs Performance Adjustable from 1.25 to 13V output using screw1A output at 1.25 to 10V (Please see datasheet for current ratings at higher voltages) >90% efficiency at >9v out1.3V typical dropout voltage at full loadCan be put in parallelWeight5.5g Applications Battery powered applications Robots Battery chargingElectronics prototyping Powering multiple servos at their max rated voltageDatasheet DE-SWADJ.doc (386kb) DE-SWADJ.pdf (126kb)

Easy Biology Step-by-step (Paperback)


Easy Biology Step-by-step (Paperback)


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Take it step-by-step for biology success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Biology Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps that, with the aid of helpful graphics, will enable you to grasp biology essentials. Rules and concepts are explained in detail in everyday English, then reinforced by annotated examples and focused exercises that build understanding for work in class and make review for tests and exams more effective.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master biology as long as you take it Step-by-Step!

Easy Chemistry Step-by-step (Paperback)


Easy Chemistry Step-by-step (Paperback)


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Take it step-by-step for chemistry success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Chemistry Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps that, with the aid of helpful graphics, will enable you to grasp chemistry essentials. Rules and concepts are explained in detail in everyday English, then reinforced by annotated examples and focused exercises that build understanding for work in class and make review for tests and exams more effective.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master chemistry as long as you take it Step-by-Step!

Easy Algebra Step-by-step (Paperback)


Easy Algebra Step-by-step (Paperback)


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Take it step-by-step for algebra success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Algebra Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master algebra as long as you take it Step-by-Step!

Easy Grammar Step-by-step (Paperback)


Easy Grammar Step-by-step (Paperback)


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Take it step-by-step for grammar success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won`t find in Easy Grammar Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master grammar as long as you take it Step-by-Step!

Easy Mathematics Step-by-step (Paperback)


Easy Mathematics Step-by-step (Paperback)


$9.99


Take it step-by-step for math success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Mathematics Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master math as long as you take it Step-by-Step!

Easy Mathematics Step-by-step (Paperback)


Easy Mathematics Step-by-step (Paperback)


$16.77


Take it step-by-step for math success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Mathematics Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master math as long as you take it Step-by-Step!

Easy Biology Step-by-step (Paperback)


Easy Biology Step-by-step (Paperback)


$16.63


Take it step-by-step for biology success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Biology Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps that, with the aid of helpful graphics, will enable you to grasp biology essentials. Rules and concepts are explained in detail in everyday English, then reinforced by annotated examples and focused exercises that build understanding for work in class and make review for tests and exams more effective.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master biology as long as you take it Step-by-Step!

Easy Chemistry Step-by-step (Paperback)


Easy Chemistry Step-by-step (Paperback)


$16.53


Take it step-by-step for chemistry success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Chemistry Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps that, with the aid of helpful graphics, will enable you to grasp chemistry essentials. Rules and concepts are explained in detail in everyday English, then reinforced by annotated examples and focused exercises that build understanding for work in class and make review for tests and exams more effective.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master chemistry as long as you take it Step-by-Step!

Easy Grammar Step-by-step (Paperback)


Easy Grammar Step-by-step (Paperback)


$18.55


Take it step-by-step for grammar success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won`t find in Easy Grammar Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master grammar as long as you take it Step-by-Step!

Easy Algebra Step-by-step (Paperback)


Easy Algebra Step-by-step (Paperback)


$19.7


Take it step-by-step for algebra success!The quickest route to learning a subject is through a solid grounding in the basics. So what you won’t find in Easy Algebra Step-by-Step is a lot of endless drills. Instead, you get a clear explanation that breaks down complex concepts into easy-to-understand steps, followed by highly focused exercises that are linked to core skills--enabling learners to grasp when and how to apply those techniques.This book features:Large step-by-step charts breaking down each step within a process and showing clear connections between topics and annotations to clarify difficultiesStay-in-step panels show how to cope with variations to the core stepsStep-it-up exercises link practice to the core steps already presentedMissteps and stumbles highlight common errors to avoidYou can master algebra as long as you take it Step-by-Step!