Texas Instruments TI-30XB Mulitview Scientific Calculator, Grey, White
Product description : Texas Instruments TI-30XB MultiView cable
Screen type: LCD
Power source: Battery/Solar

Hey Dude Men's Wally Tri Texas A&M Burgundy/Multi Size 10 | Men’s Shoes | Men's Slip-on Loafers | Comfortable & Light-Weight
Officially Licensed
Football team-color design with bold team logo display on front and side, Made with signature HEYDUDE comfort, lightweight materials, and a slip-on design
Perfect for all-day wear: Whether for tailgating at a Texas A&M Aggies Game, or in the stands cheering, you can show off your Texas A&M Aggies pride in this Wally Tri and be game-day ready.
Great for Christmas gifts, birthdays, showing school spirit, or just to treat yourself to a great slip-on shoe.
Lightweight with elastic laces and comfortable durable high-quality material, great for travel and on the go with removable memory foam cushioned insoles to provide maximum comfort. Machine washable friendly (cold)

H-Town Hold it Down Houston Hands Men's Apparel for Baseball Fans (Navy Shirt,XL)
Xtreme Apparel Exclusive Design
Men's Size Small - 5XL
Designed and Printed in Texas, USA!

Bud Light & NFL Licensed New York Giants Stainless Steel Can Koozy - Vacuum Sealed Can Cooler for 12 oz Regular Cans - 1 Pack: 2 Sided Beverage Apparel Design - Holiday, Tailgating, Bars or BBQ
KEEP YOUR BEVERAGES COLD FOR HOURS - Our vacuum insulation technology allows for maximum temperature retention. Keep any can cold for hours. Our high quality rubber screw top allows you to put different size bottles into this cooler Koozy for pool, beach, tailgates and more.
BRING YOUR COLD BEVERAGE EVERYWHERE YOU GO - Perfect for your golf cart, car, lawnmower or even the pool. Put your seltzer, soda, or any style of beer from ale, pilsner, lager, porter but of course… We prefer the KING OF BEERS. All we ask is that you drink responsibly!
EASY TO GRIP & NO SWEAT TECHNOLOGY - Sweat-proof powder coated exterior fully resistant to condensation. Made of premium 18/8 durable stainless steel and 100% BPA free rust-proof. bring it on the boat, to a little league or soccer game or just for lounging around the home.
RUGGED ENOUGH TO LAST A LIFETIME - Stainless steel is virtually indestructible, with inherent long-life properties that do not diminish over time or repeated use. It is lightweight yet yields and incredibly durable.
THE PERFECT GIFT SET FOR ANY HOME: This elegant coozie boasts a screen printed replica of the Budweiser Logo. The perfect gift for a loved one this holiday season! Our products come stylishly packaged in a gift box that makes them great as Holiday Gifts, housewarmings, weddings, and more!

Mojo Licensing Philadelphia Eagles Apron Chef Hat Set Full Color Universal Size Tie Back Grilling Tailgate BBQ Cooking Host
Premium Full Color Apron Chef Hat Combo Set
One Size Fits All
Drawstring Tie Back
Officially Licensed

Siskiyou NFL Two Piece Grilling Tools Set with 2 Magnet Chip Clips, Tailgating Tools Bundle for Football Party (Denver Broncos - Gray)
This tailgating grill tool bundle includes a Denver Broncos grill set and 2 magnet chip clips; the party pack includes exactly what you need for Denver tailgating; use Broncos accessories for an awesome game day barbecue; includes team-themed spatula, tongs, and chip clips
The ultimate stainless steel grilling set for game day and every day; Denver bbq set includes one spatula and one pair of grilling tongs; Denver Broncos accessories feature the officially licensed team logo and colors to make your barbecue festive and authentic
Denver Broncos magnet clips are one of the handiest game day tools; use at your Broncos tailgating party to keep the chips, pretzels, and other snacks fresh; use our magnet clip on your fridge to hold up photos, important notes, or party invitations; each clip is 3 1/2" tall and 1 1/4" wide
Team logo spatula and tongs are high quality stainless steel grilling accessories for any Denver fan who loves to grill and throw game day parties; Broncos gear takes your tailgate, bbq, or watch party to the next level and shows Denver Broncos pride; this grill set is built to last season after season
Game day bbq bundles make the best gifts for men, women and football fans in general; cooking gifts for dad and mom are amazing Denver Broncos Father's Day gifts and Mother's Day gifts; make it a Denver Christmas or holiday this year with this festive gift pack of team gear

Hey Dude Women's Wendy Texas A&M Burgundy/Multi Size 9 | Women’s Shoes | Women’s Slip-on Loafers | Comfortable & Light-Weight
Officially Licensed
Football team-color design with bold team logo display on front and side, Made with signature HEYDUDE comfort, lightweight materials, and a slip-on design
Perfect for all-day wear: Whether for tailgating at a Texas A&M Aggies Game, or in the stands cheering, you can show off your Texas A&M Aggies pride in this Wendy and be game-day ready.
Great for Christmas gifts, birthdays, showing school spirit, or just to treat yourself to a great slip-on shoe.
Lightweight with elastic laces and comfortable durable high-quality material, great for travel and on the go with removable memory foam cushioned insoles to provide maximum comfort. Machine washable friendly (cold)

NFL Seattle Seahawks Unisex Youthefannfl Spirit Series Sportula Team, 18 1/2" x 4"
Dimensions: 18" x 4"
Unique laser-cut design in heavy-duty stainless steel
Team-colored composite handle with durable brass rivets and a convenient, integrated bottle opener
Officially Licensed by the NFL available in hundreds of teams
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

Red & Gold Til I Go Cold Men's Skull T-Shirt for Kansas City Fans (Red Shirt, XL)
Xtreme Apparel Exclusive Design
Men's Size Small - 5XL
Designed and Printed in Texas, USA!

Texas 2023 WS Champions Team Signature Black Maple Bat

Texas Rangers 2023 World Champions Soft Felt Pennant
12 in X 30 in Full Size Team Sports Pennant
Made of Felt Wool Blend with Sewn Pennant Stick Sleeve
These Pennants are Single Sided Screen Printed
Great to Display on Interior Walls of Home, Office, or as Party Decorations
Officially Licensed and Team Approved

New Era MLB The League 9FORTY Adjustable Hat Cap One Size Fits All (US, Alpha, One Size, Texas Rangers - Red)
Officially licensed by the MLB
Designed and manufactured by New Era
Velcro strap for easy adjustment
Embroidered graphics with raised details

Desert Cactus University of Texas Flag Longhorns UT Austin Flags Banners 100% Polyester Indoor Outdoor 3x5 (Style Y)
Premium Quality - Each of our flags feature quadruple stitching at the ends for longer durability and feature a thick high quality canvas material at the end of the flag where the grommets are placed.
Material - Our flags are made of 100d polyester material and feature two metal grommets at the end.
Two Sided - One side of the flag shows the design as pictured while the back part of the flag shows the design in the reverse way.
Desert Cactus - We are a Chicago-based Certified LGBT Business Enterprise. Desert Cactus holds licensing agreements for professional leagues, numerous colleges and universities, as well as other organizations.
Officially Licensed Product - Desert Cactus is an officially licensed vendor for this institution, which means the institution has approved the design and Desert Cactus pays royalties for use of the marks.

Marzetti Company New York Texas Garlic Toast, 11.25 oz (Frozen)
Marzetti Company New York Texas Garlic Toast, 11.25 oz (Frozen)

Texas Pete Hot Sauce Lover's Bundle Pack - 2 Half Gallon Jugs of Texas Pete Original Hot Sauce Medium Heat - Perfect for Grilling, Dipping, Marinading - Protected by Maple Hills Market Box
♥ A FULL GALLON! ♥ This Texas Pete Hot Sauce Lover's Bundle Pack comes with 2 separate half gallon jugs of Texas Pete Original Hot Sauce that is sure to keep your hot palate satisfied! This is genuine Texas Pete Hot Sauce bundled together inside genuine Maple Hills Market protective packaging.
♥ INDIVIDUALLY SEALED! ♥ Each of the Texas Pete Hot Sauce jugs come individually sealed! This makes them perfect for consuming over time while keeping the others perfectly fresh! It is the worst when we are forced to buy full gallons knowing that we won't be able to use all of it before it goes bad. With 2 separate half gallon jugs, you can keep one sealed and fresh while using the other!
♥ THEY COME PROTECTED! ♥ Your order will arrive in a sturdy Maple Hills Market Protective Box! We want to make sure that no matter what the weather is doing during shipping (raining, snowing, dropped in a puddle, etc.) that your hot sauce arrives in tact and ready to eat. The Hot Sauce-lover in your life will sure to love this pack! No need to worry!

DilaBee Spray Bottles (12 Oz) Water Spray Bottle for Hair, Plants, Cleaning Solutions, Cooking, BBQ, Squirt Bottle for Cats - Empty Spray Bottles - BPA-Free - Multicolor (Blue, 1 Pack)
MULTIPURPOSE SQUIRT BOTTLE : The ideal spray bottles for cleaning solutions, water, liquid, alcohol, bleach, chemical, plant spray bottle, water hair spray bottle, and cat spray bottle. They can also be used as a food grade bbq spray bottle for smoking, cooking, and more.

AVCNUJ Mini Vacuum Cleaner, 12000PA High Power 3-Speed Handheld Vacuum Cordless, Lightweight Rechargeable Car Vacuum Potable with Air Blower Inflator Pump for Pet Hair Home Car Office
【2-in-1 VACUUM CLEANER & AIR DUSTER】Tired of constantly having to take expensive disposable air cans? Our car vacuum cleaner high power is a budget-friendly, reusable, and eco-friendly alternative to air cans. Equipped with an upgraded brushless motor, the handheld vacuum cordless delivers more powerful blowing force and stronger suction power, efficiently removing dust from your electronics in just 1 min. No more freezing hands or liquid to damage your devices.
【VACUUM MODE WITH UP TO 12 KPA】Transform the mess into spotless cleanliness with just a single puff. Our car vacuum portable with 3 gear provides powerful suction of up to 12,000pa, effortlessly tackling dust, hair, gravel, and other dry small debris. Achieve a thorough deep clean without any blind corners in your electronics, home, or car in a snap with the hand vacuum cordless rechargeable.
【BLOWING MODE WITH UP TO 90,000 RPM】This air duster offers three speeds, 0.83-2.51oz blowing force, to cater to different scenarios, whether tight crevices or large areas. Simply long press the button for 3 seconds to power the computer cleaner on or off. Quick presses to switch between three gears for cleaning various equipment. The 1st gear is ideal for security cameras, 2nd gear for computer keyboards or hosts, 3rd gear for larger areas like sofa bottoms or car floors.
【6 NOZZLES PERFECT FOR DIFFERENT SCENARIOS】The mini vacuum cleaner comes with 6 nozzles, designed to target hard-to-reach areas where dust tends to accumulate. Whether you're cleaning computer equipment, security cameras, car control panels, fans, window blinds, stoking the flames during a BBQ, or even inflating/deflating swim ring, these nozzles of small vacuum perfectly meet all your cleaning needs.
【LARGE CAPACITY FOR LONG-LASTING PERFORMANCE】The hand held vacuum cordl

YouTheFan NFL Arizona Cardinals Season Opener Bottle Opener
Facemask opens bottles
Heavy-duty stainless steel
Magnetic back
Easy to use
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

Mrs Wages Bread and Butter Pickles Quick Process Mix 5.3 Ounce (Pack of 6)
VALUE PACK of 6; 5.3 ounce pouches
TRADITIONAL PICKLE: flavor that balances the line of sweet and tangy flavors perfectly!
PERFECT PAIRING: for burgers, fried pickles, alongside your favorite BBQ dish, or eat them all by themselves for the perfect snack!
NO ARTIFICAL FLAVOR; Kosher
MAKES 7 QUARTS

Ann Webb The Balm - Anti-Aging, Organic Mint Lip Balm for Dry Lips - 0.5 oz
HANDS DOWN THE BEST CHAPSTICK YOU WILL EVER BUY! It’s the anti-oxidant, anti-aging, super hydrator, UVA protecting, non-greasy, non-irritating chapstick for the entire face or wherever you have a dry spot with a grat Mint scent
BUT, THERE IS MORE! MULTIPLE USES: LIPS, UNDER EYES, ENTIRE FACE, RASHES & IRRITATED SKIN, DRY PATCHES & SOFTEN CONCEALER. Packed full of great ingredients and for multiple uses.
AMAZING INGREDIENTS: ACAI FRUIT OIL, SEABUCKTHRON OIL, OLIVE OIL, SHEA BUTTER, COCOA SEED BUTTER, AVOCADO OIL, SWEET ALMOND OIL, GRAPEFRUIT OIL, ORANGE OIL & JOJOBA ESTERS (more info below)
LARGE SIZE: 0.5 oz More than 3 times LARGER than most lip products. Big enough that you can easily apply it to your entire face.
Avocado Oil: Avocado Oil is an ancient beauty secret, renowned for its deep-penetrating moisturizing abilities. When combined with other oils, Avocado Oil's moisturizing powers increase, giving your skin the nourishment it needs to keep looking soft and beautiful.
Keep your lips feeling soft and nourished all day long with our long-lasting, lightweight lip balm. The Balm provides deep hydration, protecting your lips against dryness and other environmental factors. You'll have soft, smooth lips
Experience all-day hydration with our Balm for All Ages. Developed to be colorless and choose odorless or mint or watermelon flavored, our lip balm is suitable for children and adults of all ages and skin types. Get ready for softer, smoother lips!
Formly Skin by Ann Webb. We made it even better. We think you will love it. Ann Webb Skin Care has a full line of products, including body wash and lotion. We are a family owned business, based in Austin, Texas
Made in Texas, USA Cruelty Free. This is a family run business Page down for more information

YouTheFan NFL Green Bay Packers Season Opener Bottle Opener
Facemask opens bottles
Heavy-duty stainless steel
Magnetic back
Easy to use
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

Sweet Baby Ray's Hickory BBQ Sauce, 18 Ounce (18 Ounce (Pack of 2))
Kosher
Squeezable
Gluten Free
Award-winning barbecue sauce that has a sweet mouthwatering blend
Amazing on pork, chicken, burgers, steaks and so much more

Fintie Graphing Calculator Carrying Case for Texas Instruments TI-Nspire CX II CAS/Tl-Nspire-CX-ll, TI-84 Plus CE/TI-84 Plus Color Graphing Calculators - with Mesh Pockets, Pen Slots (Pink)
UPGRADE: This calculator case is the plus size (8.4" L - 4.5" W - 2" H). It comes with a separate compartment to hold pens and other accessories. A dual-use handle is an innovation. All-around protect the expensive calculator device. (Case Only! Device and accessories are not included)
This hard case travel bag fits for most graphing, scientific and financial calculators, like Texas Instruments / TI, HP / Prime or Casio. Perfect for Texas Instruments TI-Nspire CX Graphing Calculator, Texas Instruments Nspire CX CAS Graphing Calculator, Texas Instruments TI-Nspire CX II CAS Color Graphing Calculator, TI-Nspire CX II Color Graphing Calculator.
The graphing calculator carrying case is made of premium hard EVA and soft interior layer can prevent any damage to the Graphing Calculator. The striped fabric is stylish and durable. YKK Zipper is also a top material that will not easily appear quality problems.
The graphing calculator case includes mesh pockets and slots for cable, USB connector. It can also accommodate other essential accessories in it, like pencils, erasers, graphing rulers and so on.
Please don't hesitate to check the quality of it! We are a USA-based company. Please contact us if you're not 100% satisfied for any reason.

YouTheFan NCAA Ohio State Buckeyes Logo Series Desk Pad
Dimensions: 35.4" x 15.7" – fits under your mouse computer and keyboard
Cleanable fabric surface and non-slip rubber backing
Stitched edge for added durability
Official team logo and colors
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

YouTheFan NFL Philadelphia Eagles Logo Series Desk Pad
Dimensions: 35.4" x 15.7" – fits under your mouse computer and keyboard
Cleanable fabric surface and non-slip rubber backing
Stitched edge for added durability
Official team logo and colors
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

The Spice Lab Organic Spices and Seasonings Set - Complete Starter Spice Set - 30 Jar Spice Kit Variety Pack - Great BBQ, Grilling and Spice Gift Sets - Ultimate Culinary Cooking Spices Set
ORGANIC SPICES GIFT SETS INCLUDES: Rubbed Sage, Whole Dill Weed, Indian Curry Powder, Chili Powder, Parsley Flakes, Mustard Seeds, Ground Turmeric, Ground Nutmeg, Sesame Seeds, Ground Mustard, Ground Ginger, Cinnamon Sticks, Ground Allspice, Crushed Red Pepper, Ground Cumin, Cayenne Pepper, Ground Coriander, Ground Cinnamon, Smoked Paprika, Minced Garlic, Fennel Seeds, Bay Leaf, Rosemary, Thyme, Granulated Garlic, Sweet Paprika, Ground Black Pepper, Sweet Basil, Granulated Onion and Oregano.
FRESH SPICES IN SMALL BATCHES: 30 of our most popular, pure, and strong culinary spices are included in our ultimate organic starting spice set box. You'll be equipped to go far beyond the fundamentals and make practically any recipe possible.
SPICES AND SEASONINGS SETS: Pure and strong flavor grown straight from the source is what The Spice Lab believes in. We know exactly what you're getting and where it comes from thanks to our high standards.
COOKING GIFTS ALL YEAR LONG: Whether you're looking for a holiday present for your spouse or a birthday present for your favorite griller, we have you covered. This ultimate culinary collection is a great gift for cooks and will surely be popular. Your loved ones will be kept busy in the kitchen or on the grill, with these 30 inventive tastes. This is a fantastic present for any event, including Christmas, birthdays, Father's Day or graduation!
THE SPICE LAB VALUES: We source the highest quality spice sets, hire a diverse workforce and cultivate a supportive and safe work environment that reflects our brand. All were packed in premium packaging for spices in our SQF-certified facility in the USA.

CanCooker 4 Gallon Convection Steam Cooker and Portable Multi-Fuel Single Burner with Convenient Case, Perfect for Feeding 20 People
The CanCooker 4 Gallon Convection Steam Cooker with Portable Single Burner Cooktop takes the cattle drive tradition of cooking in a cream can and revolutionizes it with the power of steam to cook a healthy meal on any heat source. Built out of food grade anodized aluminum, the CanCooker can be heated on a number of heat sources, from stovertops to campfires to bbq grills.
The high-temperature silicone gasket helps trap the steam that is released when the water is heated to the boiling point, cooking your food thoroughly and efficiently. The CanCooker is loaded with features to help keep you safe while preparing your meals. The riveted heavy-duty handles are stout and secure, for easy transportation from the heat source to the dinner table.
A vented lid helps relieve excess pressures and the safety clamps keep the lid in place. Also included is the CanCooker Portable Multi-Fuel Electric Cooktop Single Burner, perfect for any activity including camping, hunting, tailgating, and more. Compatible with both butane and propane fuel.

YouTheFan NCAA Alabama Crimson Tide Logo Series Desk Pad
Dimensions: 35.4" x 15.7" – fits under your mouse computer and keyboard
Cleanable fabric surface and non-slip rubber backing
Stitched edge for added durability
Official team logo and colors
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

TI-30XIIS? Scientific Calculator, Blue
Scientific calculator featuring two-line display, 11-digit scrollable entry line with 10-digit answer, and two-digit exponent line
Perform operations with fractions and mixed numbers as well as advanced scientific functions
Solar- and battery-powered
Five memory variables
Hard color-coded plastic keys
Impact-resistant cover with quick-reference card

Texas Instruments TI-30XIIS Scientific Calculator, Blue
Robust, professional grade scientific calculator. Logs and antilogs
It has 2-line display shows entry and calculated result at same time
Easily handles 1 and 2 variable statistical calculations and three angle modes (degrees, radians, and grads) and scientific and engineering Falsetation modes
It has 1-year limited warranty
Solar and battery powered

Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black 7.5 Inch
High-resolution, full-color backlit display.Horizontal and vertical split-screen options..Display type : LED. Number of Items : 1.
Rechargeable battery
Preloaded apps and images.Fourteen interactive zoom features
MathPrint feature.Seven different graph styles for differentiating the look of each graph drawn
Available in a variety of fun colors, Customers may receive python version while supplies last.
"Packaging may vary". Compatible with CBR 2 motion sensor
Lightweight, yet durable enough to withstand the demands of the classroom year after year

YouTheFan Philadelphia Eagles NFL Classic Series Sportula Stainless Steel Grilling Spatula , 18 1/2" x 4"
Dimensions: 18" x 4"
Unique laser-cut design
Convenient, integrated bottle opener made of heavy-duty stainless steel
Hard maple handles with durable brass rivets
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

YouTheFan New York Giants NFL Classic Series Sportula Stainless Steel Grilling Spatula , 18 1/2" x 4"
Dimensions: 18" x 4"
Unique laser-cut design
Convenient, integrated bottle opener made of heavy-duty stainless steel
Hard maple handles with durable brass rivets
YouTheFan is the home of officially licensed sports products designed specifically for you, the fan. Our awesome products include StadiumViews, 3D Fan Banners, Sportulas, Grill Sets, Boaster Drink Coasters, and team puzzles. Hundreds of officially licensed NFL, NCAA and NHL teams.

Texas Instruments TI-30XIIS Scientific Calculator
Two line scientific calculator helps you explore math and science concepts
This scientific calculator lets you review previous entries to look for patterns
Menus allow you to select settings appropriate for your needs
Two line scientific calculator alllows operations with fractions and mixed numbers

Optoma HD142X 1080p 3000 Lumens 3D DLP Home Theater Projector
Screen Size Range: 66-inches from 8 feet; 107-inches from 12 feet
Brightness: 3,000 ANSI Lumens. Computer compatibility: FHD, HD, WXGA, UXGA, SXGA, XGA, SVGA, VGA, Mac
Contrast Ratio: 23,000:1; Keystone Correction: Yes, Lens Shift: No
2 x HDMI (1.4a 3D support) plus MHL v1.2, Audio Out 3.5mm, 12V trigger, 3D-Sync, USB service Display Technology: Single 0.65” 1080p DC3 DMD chip DLP Technology by Texas Instruments
Operating Conditions: 5°C - 40°C, Max. Humidity 85%, Max. Altitude 3000m

Texas Instruments TI-34 MultiView Scientific Calculator
4-line display enables scrolling and editing of inputs
Same functionality as the TI-34II Explorer plus display and feature enhancements
MATHPRINT mode for input in math notation, including pi, square roots, fractions, percent's and exponents plus math notation output for fractions
Previous Entry - Lets you review previous entries and look for patterns.
Menus - Easy to read and navigate pull-down menus similar to those on a graphing calculator.
All mode settings are located in one central place, the mode screen.
Scientific Notation Output - View scientific notation with the proper superscripted exponents and see the output in scientific notation.
Table feature - Easily explore an (x,y) table of values for a given function, automatically or by entering specific x values
Fraction features - View and perform fraction computations and explorations in familiar textbook format.