![]() ![]() The TI-84+ “CE” is just a newer, faster TI-84 with a brighter screen so you can quickly and clearly see answers and never risk writing the wrong number down because the screen is fuzzy. The TI-84+ is by far the most popular graphing calculator (5-star rating on Amazon with over 7,500 reviews) in high schools, colleges, testing rooms, and tutoring centers, and the #1 recommend calculator for the PSAT, SAT, and AP exams. Chances are everyone else in your class or testing center will be using exactly this graphing calculator.Īn absolute workhorse of a graphing calculator! It’s in your math teacher’s desk, your math tutor’s handbag, and probably in NASA Mission Control too. It does everything you need for any standardized test quickly and easily, and displays answers on a hi-def, color-enhanced screen. ![]() It’s the graphing calculator recommended by math tutors and teachers, and the entire US math curriculum is built with the TI-84 in mind. Quick Rundown: The TI-84+ CE is the color enhanced upgrade to the world’s #1 most popular graphing calculator. The TI-84+ CE: Math Tutors’ and Teachers’ #1 Recommended Testing Calculator The Best for Engineers and Physics Majors: The TI-89 Titaniumġ.Casio’s Best High-Res Model – Casio fx-9860GII: Big Screen, Intuitive Menu, and Upgraded Resolution!.The Best Casio Calculator – CASIO PRIZM FX-CG50: Casio’s Best Model for Tests.The Best Entry-Level Calculator – Casio FX 9750: Budget and Beginner Friendly!.The Best Mid-Range Model (Not for Testing) – TI-83 +: Perfect for Class or Homework and 30% Cheaper.The Best UX – NumWorks: The Smartphone of Calculators (Incredible UI).The Best High-End Model – TI Nspire CX CAS II: The Calculator that Makes ANYONE a Math Person.The Best Overall – TI-84 + CE: Preferred by Math Tutors and Teachers for the PSAT and SAT.Press the INV button on your calculator (sometimes called 2nd function)Įxample: Let’s assume your climb gains 1,000 feet in altitude (the rise) and the horizontal distance as measured on the map is 1,000 feet (the run).Here’s a quick overview of the best graphing calculators for each exam, budget, or personality: ![]() To calculate this, you divide the rise divided by the run, and then obtain the inverse tangent of the result. Multiply 1.4 by 100 to derive percent of slope: 140%Īngle of slope represents the angle that’s formed between the run (remember it’s an idealized flat surface that ignores elevation change) and your climb’s angular deviation from that idealized flat surface. ![]() Multiply 0.166 by 100 to derive percent of slope: 16.6%Įxample: let’s assume your climb gains 700 feet in altitude (the rise) and the horizontal distance as measured on the map is 500 feet (the run). Multiply 0.5 by 100 to derive percent of slope: 50%Įxample: let’s assume your climb gains 500 feet in altitude (the rise) and the horizontal distance as measured on the map is 3,000 feet (the run). The "run" assumes you're traveling on an idealized flat surface – it does not account for the actual distance traveled once elevation change is factored in.Įxample: let’s assume your climb gains 1,000 feet in altitude (the rise) and the horizontal distance as measured on the map is 2,000 feet (the run). Percent of slope is determined by dividing the amount of elevation change by the amount of horizontal distance covered (sometimes referred to as "the rise divided by the run"), and then multiplying the result by 100. ![]()
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