Reviews Calculus Tutorials

Colour-Pencil Drawing: Techniques and Tutorials For the Complete Beginner (Art Techniques)

  • We live in great times, when all the knowledge of the world is just within our reach with the power of the Internet. Do you want to learn how to draw? No need to go to an art school, or to pay a personal teacher. There are a lot of free materials you can use to learn, or to draw something easy instantly. But the Internet is also a big place, easy to get lost in, so I've prepared a collection of easy drawing tutorials for you..
  • Drawing is a complex skill, impossible to grasp in one night, and sometimes you just want to draw something, to create a drawing you'll be proud of without having to wait months for decent results..
  • Here the simple step-by-step tutorials come to help. You can do them with little to no previous experience, and good results are almost guaranteed, if you follow the instructions carefully..
  • - DIY Easy Drawing Tutorials Profesional.
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Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4"

  • [SCIENTIFIC CALCULATOR WITH GRAPHIC FUNCTION] - This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use..
  • [MULTIPLE MODES] - This calculator features 3 operating modes: Angular Measurement, Calculation, and Display modes. More information is available in the photos..
  • [OVER 280 FUNCTIONS] - Including fractions, statistics, complex number calculations, linear regression, standard deviation, permutations, and variable solving..
  • Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business..
  • If you are not able to turn on the calculator, please press the reset button on the back! If you still have any other issues, we offer a 365-day limited warranty. Please contact us and we will give you a response within 24 hours..
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Scientific Calculator with Graphic Functions - Multiple Modes with Intuitive Interface - Perfect for Beginner and Advanced Courses, High School or College

  • [SCIENTIFIC CALCULATOR WITH GRAPHIC FUNCTION] - This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use..
  • [MULTIPLE MODES] - This calculator features 3 operating modes: Angular Measurement, Calculation, and Display modes. More information is available in the photos..
  • [OVER 280 FUNCTIONS] - Including fractions, statistics, complex number calculations, linear regression, standard deviation, permutations, and variable solving..
  • Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business..
  • PLEASE NOTE: This is a Scientific Calculator and not a Graphing Calculator. The graph functions help to visualize your formulas..
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Scientific Calculator with Graphic Functions - Multiple Modes with Intuitive Interface - Perfect for Beginner and Advanced Courses, High School or College

  • [SCIENTIFIC CALCULATOR WITH GRAPHIC FUNCTION] - This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use..
  • [MULTIPLE MODES] - This calculator features 3 operating modes: Angular Measurement, Calculation, and Display modes. More information is available in the photos..
  • [OVER 280 FUNCTIONS] - Including fractions, statistics, complex number calculations, linear regression, standard deviation, permutations, and variable solving..
  • Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business..
  • PLEASE NOTE: This is a Scientific Calculator and not a Graphing Calculator. The graph functions help to visualize your formulas..
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Ultrasonic Kitten Blaster (feat. Mindelve)

  • ...ar doubts, please try it on your teeth or other hard objects).
  • ❤【Easy-to-Use Method】First with dental tools Go back and forth in a tiny area for a few passes and wait until you get used to the feeling. Then slowly increase the intensity to find the level that works best for you..
  • ❤【5 Modes & 3 Head】Dental calculus remover 5 cleaning modes with different strengths to meet the needs of different teeth cleaning，3 different shapes of 304 stainless steel cleaning heads for different parts of the teeth..
  • ❤【IP67 Waterproof & LED】The IP67 waterproof remove teeth stain tarter plaque calculus can clean the whole body, and the LED light will automatically turn on when the dental cleaner tool kit is working, illuminating the blind area of vision..
  • ❤【After-Sales Service】 We provide customer service at any time, such as reply within 24 hours, feel free to contact us about dental tool kit cleaner quality and other questions, and are committed to providing our customers with the best experience. Welcome your inquiry！.
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Ultrasonic Kitten Blaster (feat. Mindelve)

  • ...ubts, please try it on your teeth or other hard objects).
  • ❥【Easy-to-Use Method】First with dental tools Go back and forth in a tiny area for a few passes and wait until you get used to the feeling. Then slowly increase the intensity to find the level that works best for you..
  • ❥【3 Modes & 2 Head】Your dental calculus remover 5 cleaning modes with different strengths to meet the needs of different teeth cleaning，3 different shapes of 304 stainless steel cleaning heads for different parts of the teeth..
  • ❥【IP67 Waterproof & LED】The IP67 waterproof remove teeth stain tarter plaque calculus can clean the whole body, and the LED light will automatically turn on when the dental cleaner tool kit is working, illuminating the blind area of vision..
  • ❤【After-Sales Service】We provide customer service at any time, such as reply within 24 hours, feel free to contact us about dental tool kit cleaner quality and other questions, and are committed to providing our customers with the best experience. Welcome your inquiry！.
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Tartar Calculus Remover Teeth Cleaning Kit Teeth Cleaner Teeth Stain Removal- Helps Remove Tartar, Calculus, Stain, Plaque- Teeth Cleaning Tool

  • Calculus Remover：Effortless clean up teeth stains from even the hardest to reach areas to mantian your teeth and gums healthy, such as dental calculus, tooth bacterial plaque, tartar and stains..
  • Super Safe：Food-grade silicone,LED auxiliary light and anti-fog mirror ensures you safety when using the Teeth Cleaning Kit while cleaning teeth..
  • A Complete Teeth Cleaning Kit:The teeth stain remover comes with 3pcs stainless steel replacement heads to clean the surface and the crevice among teeth..
  • 3 Adjustable Cleaning Modes:Supports 3 modes to meet different needs of users..
  • USB Type C Rechargeable & Times Use:Comes with a built-in battery can support 52 times of use (About 5 minutes / time) after 4 hours of charging. Easy to find a USB type-c charging cable (adapter is not included). Itravel without worrying about power loss..
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Plaque Remover for Teeth, Teeth Cleaning Kit Tooth Cleaner Calculus Remover, Helps Remove Stain from Tartar, Calculus, Plaque- Teeth Cleaning Tools

  • Calculus Remover：Effortless clean up teeth stains from even the hardest to reach areas to mantian your teeth and gums healthy, such as dental calculus, tooth bacterial plaque, tartar and stains..
  • Super Safe：Food-grade silicone,LED auxiliary light and anti-fog mirror ensures you safety when using the Teeth Cleaning Kit while cleaning teeth..
  • 5 Adjustable Cleaning Modes:Supports 5 modes to meet different needs of users..
  • USB Type C Rechargeable & Times Use:Comes with a built-in battery can support 52 times of use (About 5 minutes / time) after 4 hours of charging. Easy to find a USB type-c charging cable (adapter is not included). Itravel without worrying about power loss..
  • A Complete Teeth Cleaning Kit:No need for floss, water flosser or mouthwash. Enjoy teeth cleaning at home whenever you want!.
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Fingerprint Heartbeat Detector

  • This sensor kit comes with 37 basic sensors and modules, which is good for learning basic knowledge about sensors. The main controller is Not Included..
  • It comes with detailed tutorials which include pictures and code and 37 projects, explained step by step. Note we provide arduino tutorials, without Raspberry Pi tutorials..
  • Each module has 3-4 pins broken out that make it easy to plug into a solderless breadboard or hook up to with DuPont wires. They are intended to be used with the Arduino platform, but can also be used with the Raspberry Pi platform as well..
  • Packed well in nice box, also each item packed well separately..
  • High quality kit for those beginners who are interested in programming. 100% compatible with Arduino R3, MEGA 2560, NANO, Raspberry pi and more..
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