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Texas Instruments TI-30XS MultiView Scientific Calculator
Designed with unique features to allow you to enter more than one calculation, compare results and explore patterns, all on the same screen. Enter and view calculations in common math notation via the MathPrint mode, including stacked fractions, exponents, exact square roots and more. Quickly view fractions and decimals in alternate forms by using the toggle key. Scroll through previous entries and investigate critical patterns as well as viewing and pasting into a new calculation. Explore an x, Y table of values for a given function, automatically or by entering specific x values. Toggle key lets you change the form of answers between exact and decimal approximation. Powerful, four-line scientific calculator for high school math and science exploration. Designed with unique features to allow you to enter more than one calculation compare results and explore patterns all on the same screen. Enter and view calculations in common Math Notation via the MATHPRINT Mode including stacked fractions exponents exact square roots and more. Quickly view fractions and decimals in alternate forms by using the Toggle Key. Scroll through previous entries and investigate critical patterns as well as viewing and pasting into a new calculation. Explore an x y table of values for a given function automatically or by entering specific x values. Power Source(s): Battery Solar Display Notation: Numeric Number of Display Digits: N/A Display Characters x Display Lines: 16 x 4.Unit of Measure : Each Key Features: Four-line displayOne- and two-variable statisticsMathPrint™ featureFraction/decimal conversionStep-by-step fraction simplificationEdit, cut and paste entriesSolar and battery powered Ideal For: General mathPre-AlgebraAlgebra 1 and 2GeometryStatisticsGeneral scienceBiologyChemistry
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Texas Instruments TI-30Xa Scientific Calculator
Basic, battery-operated scientific calculator with one-line display and general math and science functionality. Key Features: One-line, 10-digit displayFraction featuresOne-variable statisticsConversionsBasic scientific and trigonometric functions Ideal For: General mathPre-AlgebraAlgebra 1 and 2General science Once you get to a certain level of math classes, a regular old calculator just isn't good enough anymore--you need a high-functioning calculator that can perform algebraic, trigonometric, and statistical problems in addition to general mathematical tasks. The Texas Instruments TI-30XA scientific calculator can do this for you. It is extremely handy when it comes to figuring tricky fractions. It can add, subtract, multiply, and divide fractions when entered in a traditional numerator/denominator format. This calculator can also do a variety of conversions, from fractions to decimals, degrees to radians to grads, DMS to decimal to degrees, and polar to rectangular. The display screen holds up to 10 digits.For high school or college students tackling advanced math, this is a great tool (and a thoughtful back-to-school gift), and with more professors allowing the use of calculators during classes and exams, it's a necessary one. Easy to use and easy to slip into a backpack, the TI-30XA will soon become indispensable for both the serious and the striving math student. --Dana Van Nest
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Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black.
Ideal for curricula in which graphing technology may not be permitted. Ideal for students at every level, from junior high school algebra to college calculus, the Texas Instruments TI36 packs a lot of punch in a small, inexpensive unit. This solar-powered calculator combines features for statistical analysis, Boolean logic operations, and unit conversions in one sleek package.Math students will appreciate TI36X's ability to perform fractional equations and calculate angle units (radians, grads, degrees) when performing trigonometric functions. Everyone will find the calculator's English/metric conversions helpful.The TI36Xs single-line LCD is a little difficult to read when the unit is lying on a desk, and users in need of graphing functions will have to look elsewhere. Overall, however, for a calculator in this price range, the TI36X provides enough power for most high-level math and science needs.
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Why is it called Black Friday
Let’s take a history lesson to find out why they call it Black Friday: the first known mention of Black Friday related to this shopping experience was in November 1951, when the journal Factory Management and Maintenance used it to describe people calling in sick the day after Thanksgiving so they could have an extra day off work.
At the same time, US police were using the phrases “Black Friday” and “Black Saturday” to describe the horrendous traffic that occurred at the beginning of the pre-Christmas shopping season.
In 1961, the local government moved to change the shopping season to “Big Friday” and “Big Saturday,” but it never caught on. The notion that it was the time when retailers moved 'back into the black' was seen far later and clearly an attempt to bring positivity to the term.
How much cheaper are things on Black Friday?
I know that many people think Black Friday is a scam, but when you look at a product's price history and compare the deals to other holiday sales, I would say that 90% of products are cheaper on Black Friday.
I will have no issue filling this guide with record-low prices on TVs, Apple devices, kitchen appliances, toys, vacuums, laptops, and smart home devices from brands like Samsung, Dyson, Keurig, LG, Apple, Ninja, and Nespresso.
That is to say, products are significantly cheaper on Black Friday. The only caveat is that items just aren't cheaper on the official Black Friday date, November 29, but you'll find some of the best Black Friday deals at early sales, and our guide will be covering all the top offers in this guide.
